diff --git a/css/dropdown.scss b/css/dropdown.scss
index 1ef27a0..1f3baaa 100644
--- a/css/dropdown.scss
+++ b/css/dropdown.scss
@@ -13,14 +13,14 @@ $searchInputHeight: 26px;
 $searchIconSize: 13px;
 $listMaxHeight: 210px;
 
-.dropdown-wrapper {
+.drop-wrapper {
     display: inline-block;
     border: none;
     border-radius: unset;
     user-select: none;
     position: relative;
 
-    >.dropdown-header {
+    >.drop-header {
         border: 1px solid $borderColor;
         border-radius: $borderRadius;
         background-color: $bgColor;
@@ -39,7 +39,7 @@ $listMaxHeight: 210px;
             outline: none;
         }
 
-        /*>.dropdown-select-container {
+        /*>.drop-select-container {
             flex: 1 1 auto;
             overflow-x: auto;
             white-space: nowrap;
@@ -104,7 +104,7 @@ $listMaxHeight: 210px;
             }
         }*/
 
-        >.dropdown-text {
+        >.drop-text {
             flex: 1 1 auto;
             cursor: pointer;
             font-size: $mediumSize;
@@ -117,7 +117,7 @@ $listMaxHeight: 210px;
             white-space: nowrap;
         }
 
-        >input.dropdown-text {
+        >input.drop-text {
             cursor: initial;
 
             &::placeholder {
@@ -126,7 +126,7 @@ $listMaxHeight: 210px;
             }
         }
 
-        >.dropdown-caret {
+        >.drop-caret {
             flex: 0 0 auto;
             width: $caretWidth;
             display: flex;
@@ -154,14 +154,14 @@ $listMaxHeight: 210px;
                 // box-shadow: none;
             }
 
-            >.dropdown-text,
-            >.dropdown-caret {
+            >.drop-text,
+            >.drop-caret {
                 cursor: default;
             }
         }
     }
 
-    >.dropdown-box {
+    >.drop-box {
         position: absolute;
         visibility: hidden;
         opacity: 0;
@@ -192,7 +192,7 @@ $listMaxHeight: 210px;
             transform: scaleY(1);
         }
 
-        >.dropdown-search {
+        >.drop-search {
             box-sizing: border-box;
             height: $searchBarHeight;
             line-height: $searchBarHeight;
@@ -235,7 +235,7 @@ $listMaxHeight: 210px;
             }
         }
 
-        >.dropdown-list {
+        >.drop-list {
             margin: 0;
             padding: 0;
             list-style: none;
diff --git a/css/functions/checkbox.scss b/css/functions/checkbox.scss
index 99250c8..fb6bb31 100644
--- a/css/functions/checkbox.scss
+++ b/css/functions/checkbox.scss
@@ -59,23 +59,4 @@ $boxDisabledColor: #d9d9d9;
             }
         }
     }
-
-    /*
-    &.disabled {
-        .check-box-inner {
-            border-color: $boxDisabledColor;
-            cursor: default;
-        }
-
-        >input:checked+.check-box-inner {
-            border-color: $boxDisabledColor;
-            background-color: $boxDisabledColor;
-        }
-
-        >span {
-            color: $boxDisabledColor;
-            cursor: default;
-        }
-    }
-    */
 }
\ No newline at end of file
diff --git a/css/grid.scss b/css/grid.scss
index 8e0e83a..af4dcde 100644
--- a/css/grid.scss
+++ b/css/grid.scss
@@ -63,8 +63,8 @@
 
     &,
     input[type="text"],
-    .dropdown-wrapper>.dropdown-header>.dropdown-text,
-    .dropdown-wrapper>.dropdown-box>.dropdown-list {
+    .drop-wrapper>.drop-header>.drop-text,
+    .drop-wrapper>.drop-box>.drop-list {
         font-size: var(--font-size);
     }
 
@@ -268,22 +268,22 @@
                         }
                     }
 
-                    .dropdown-wrapper {
+                    .drop-wrapper {
                         height: calc(var(--line-height) + 2px);
                         width: 100%;
                         display: flex;
                         flex-direction: column;
 
-                        >.dropdown-header {
+                        >.drop-header {
                             border: none;
                             height: 100%;
 
-                            >.dropdown-text {
+                            >.drop-text {
                                 padding: var(--spacing-cell);
                             }
                         }
 
-                        >.dropdown-box {
+                        >.drop-box {
                             top: calc(var(--line-height) + 2px);
 
                             &.slide-up {
diff --git a/css/popup.scss b/css/popup.scss
new file mode 100644
index 0000000..869e26c
--- /dev/null
+++ b/css/popup.scss
@@ -0,0 +1,94 @@
+@import './functions/func.scss';
+@import './variables/definition.scss';
+
+$headerLineHeight: 24px;
+$buttonHeight: 36px;
+
+.popup-mask {
+    position: fixed;
+    @include inset(0, 0, 0, 0);
+    background-color: rgba(0 0 0 /20%);
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    opacity: 0;
+    z-index: 200;
+    transition: opacity .12s ease;
+
+    &.active .popup-container {
+        transform: scale(1.1);
+    }
+
+    .popup-container {
+        min-width: 400px;
+        max-width: 800px;
+        background-color: $bgColor;
+        border-radius: 2px;
+        box-shadow: 0 2px 8px rgba(0 0 0 /11%);
+        transition: all .12s ease;
+        position: absolute;
+        display: flex;
+        flex-direction: column;
+
+        .popup-header {
+            flex: 0 0 auto;
+            padding: 10px 12px 6px;
+            line-height: $headerLineHeight;
+            user-select: none;
+            background-color: var(--title-bg-color);
+            color: var(--title-color);
+            display: flex;
+
+            >div {
+                flex: 1 1 auto;
+                font-size: 1rem;
+            }
+
+            >svg {
+                flex: 0 0 auto;
+                width: $headerLineHeight;
+                height: $headerLineHeight;
+                padding: 4px;
+                cursor: pointer;
+                box-sizing: border-box;
+
+                &:hover {
+                    opacity: .8;
+                }
+            }
+        }
+
+        .popup-body {
+            margin: 6px 10px;
+            flex: 1 1 auto;
+            line-height: $headerLineHeight;
+        }
+
+        .popup-footer {
+            flex: 0 0 auto;
+            display: flex;
+            align-items: center;
+            justify-content: flex-end;
+            padding: 4px 10px 16px 2px;
+
+            .popup-button {
+                margin-left: 8px;
+                border: none;
+                height: $buttonHeight;
+                padding: 0 8px;
+                min-width: 60px;
+                cursor: pointer;
+                background-color: var(--title-bg-color);
+
+                &:hover {
+                    opacity: .8;
+                }
+
+                &:focus,
+                &:focus-visible {
+                    outline: none;
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/lib/app.js b/lib/app.js
index 4969f8e..a0ac1cc 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -1,5 +1,7 @@
 import CustomerCommunication from "./app/communications/customer";
+import InternalComment from "./app/communications/internal";
 
 export {
-    CustomerCommunication
+    CustomerCommunication,
+    InternalComment
 }
\ No newline at end of file
diff --git a/lib/app/communications/customer.js b/lib/app/communications/customer.js
index 11920ca..336d4c7 100644
--- a/lib/app/communications/customer.js
+++ b/lib/app/communications/customer.js
@@ -1,11 +1,13 @@
 import "./style.scss";
-import { createElement, createElementInit } from "../../functions";
+import { createElement } from "../../functions";
 import { r } from "../../utility/lgres";
+import { nullOrEmpty } from "../../utility/strings";
 import { formatUrl, isEmail, isPhone } from "../../utility";
 import { setTooltip } from "../../ui/tooltip";
 import { createIcon } from "../../ui/icon";
 import { createCheckbox } from "../../ui/checkbox";
 import { createBox } from "./lib";
+import { createPopup } from "../../ui/popup";
 
 class CustomerCommunication {
     #container;
@@ -23,123 +25,223 @@ class CustomerCommunication {
     get autoUpdatesEnabled() { return this.#autoUpdates?.disabled !== true }
     set autoUpdatesEnabled(flag) {
         const element = this.#autoUpdates;
-        element != null && (element.disabled = flag === false);
+        if (element == null) {
+            return;
+        }
+        if (flag === false) {
+            element.disabled = true;
+            element.parentElement?.classList?.add('disabled');
+        } else {
+            element.disabled = false;
+            element.parentElement?.classList?.remove('disabled');
+        }
     }
     get autoUpdates() { return this.#autoUpdates?.checked }
     set autoUpdates(flag) {
         const element = this.#autoUpdates;
-        element != null && (element.checked = flag);
+        if (element == null) {
+            return;
+        }
+        element.checked = flag;
+        element.dispatchEvent(new Event('change'));
     }
 
     get #statusLink() { return this.#container.querySelector('.check-status-link') }
     get statusLinkEnabled() { return this.#statusLink?.disabled !== true }
     set statusLinkEnabled(flag) {
         const element = this.#statusLink;
-        element != null && (element.disabled = flag === false);
+        if (element == null) {
+            return;
+        }
+        if (flag === false) {
+            element.disabled = true;
+            element.parentElement?.classList?.add('disabled');
+        } else {
+            element.disabled = false;
+            element.parentElement?.classList?.remove('disabled');
+        }
     }
     get statusLink() { return this.#statusLink?.checked }
     set statusLink(flag) {
         const element = this.#statusLink;
-        element != null && (element.checked = flag);
+        if (element == null) {
+            return;
+        }
+        element.checked = flag;
+        element.dispatchEvent(new Event('change'));
     }
 
     get text() { return this.#enter?.value }
     set text(s) {
         const element = this.#enter;
-        element != null && (element.value = s);
+        if (element != null) {
+            element.value = s
+            s = String(nullOrEmpty(s) ? 0 : val.length) + '/3000';
+            this.#container.querySelector('.message-bar .prompt-count').innerText = s;
+        }
+    }
+
+    #createContactItem(c) {
+        if (c.OptOut || c.OptOut_BC) {
+            return null;
+        }
+        const mp = String(c.MobilePhone).trim();
+        const email = String(c.Email).trim();
+        if (c.ContactPreference === '0' && !isPhone(mp) ||
+            c.ContactPreference === '1' && !isEmail(email)) {
+            return null;
+        }
+        const to = c.ContactPreference === '0' ? mp : email;
+        return createElement('div', 'contact-item',
+            createIcon('fa-light', c.ContactPreference === '0' ? 'comment-lines' : 'envelope'),
+            setTooltip(createElement('span', span => {
+                span.dataset.to = to;
+                span.dataset.name = c.Name;
+                span.innerText = to;
+            }), to, true)
+        );
     }
 
     get contacts() {
         return [...this.#contacts.children].map(el => {
             const span = el.querySelector('span');
-            return { 'Key': span.innerText, 'Value': span.dataset.name };
+            return { 'Key': span.dataset.to, 'Value': span.dataset.name };
         });
     }
     set contacts(contacts) {
         this.#contacts.replaceChildren();
         if (contacts?.length > 0) {
             for (let c of contacts) {
-                if (c.OptOut || c.OptOut_BC) {
-                    continue;
+                const item = this.#createContactItem(c);
+                if (item != null) {
+                    this.#contacts.appendChild(item);
                 }
-                const mp = String(c.MobilePhone).trim();
-                const email = String(c.Email).trim();
-                if (c.ContactPreference === '0' && !isPhone(mp) ||
-                    c.ContactPreference === '1' && !isEmail(email)) {
-                    continue;
-                }
-                const to = c.ContactPreference === '0' ? mp : email;
-                this.#contacts.appendChild(
-                    createElement('div', 'contact-item',
-                        createIcon('fa-light', c.ContactPreference === '0' ? 'comment-lines' : 'envelope'),
-                        createElementInit('span', span => {
-                            span.dataset.name = c.Name;
-                            span.innerText = to;
-                        })
-                    )
-                )
             }
+            this.#message.scrollTop = this.#message.scrollHeight
         }
     }
 
+    /**
+     * @param {boolean} flag
+     */
+    set readonly(flag) {
+        this.#option.readonly = flag;
+        if (this.#container == null) {
+            return;
+        }
+        this.#container.querySelector('.button-edit-contacts').style.display = flag === true ? 'none' : '';
+        this.#container.querySelector('.button-edit-followers').style.display = flag === true ? 'none' : '';
+        this.#enter.disabled = flag === true;
+    }
+
+    get followers() {
+        return [...this.#followers.children].map(el => {
+            const span = el.querySelector('span');
+            return { 'Key': span.dataset.to, 'Value': span.dataset.name };
+        });
+    }
+    set followers(followers) {
+        this.#followers.replaceChildren();
+        if (followers?.length > 0) {
+            this.#container.querySelector('.follower-bar').style.display = '';
+            for (let f of followers) {
+                const item = this.#createContactItem(f);
+                if (item != null) {
+                    this.#followers.appendChild(item);
+                }
+            }
+        } else {
+            this.#container.querySelector('.follower-bar').style.display = 'none';
+        }
+        this.#message.scrollTop = this.#message.scrollHeight
+    }
+
     create() {
         // functions
         const checkAutoUpdate = createCheckbox({
             className: 'check-auto-update',
-            checked: this.#option.autoUpdates?.checked,
-            enabled: this.#option.autoUpdates?.enabled,
+            checked: this.#option.autoUpdates,
             checkedNode: createIcon('fa-regular', 'redo-alt'),
             uncheckedNode: createIcon('fa-regular', 'ban'),
-            onchange: () => {
+            onchange: function () {
                 setTooltip(checkAutoUpdate, this.checked ?
                     r('autoUpdateEnabled', 'Auto Updates Enabled') :
                     r('autoUpdateDisabled', 'Auto Updates Disabled'));
-                if (typeof this.#option.autoUpdates?.onchanged === 'function') {
-                    this.#option.autoUpdates.onchanged(this.checked);
-                }
             }
         });
         const checkLink = createCheckbox({
             className: 'check-status-link',
-            checked: this.#option.statusLink?.checked,
-            enabled: this.#option.statusLink?.enabled,
+            checked: this.#option.statusLink,
             checkedNode: createIcon('fa-regular', 'link'),
             uncheckedNode: createIcon('fa-regular', 'unlink'),
-            onchange: () => {
+            onchange: function () {
                 setTooltip(checkLink, this.checked ?
                     r('statusLinkIncluded', 'Status Link Included') :
                     r('statusLinkExcluded', 'Status Link Excluded'));
-                if (typeof this.#option.statusLink?.onchanged === 'function') {
-                    this.#option.statusLink.onchanged(this.checked);
-                }
             }
         });
         const container = createBox(
             createElement('div', null,
-                createElementInit('div', div => div.innerText = r('messages', 'Customer Communication')),
-                createElementInit('div', div => div.innerText = consts.user?.companyName)),
+                createElement('div', div => div.innerText = r('messages', 'Customer Communication')),
+                createElement('div', div => {
+                    div.className = 'title-company';
+                    if (nullOrEmpty(this.#option.companyName)) {
+                        div.style.display = 'none';
+                    } else {
+                        div.innerText = this.#option.companyName;
+                    }
+                })
+            ),
             [
-                setTooltip(checkAutoUpdate, r('autoUpdateDisabled', 'Auto Updates Disabled')),
+                setTooltip(checkAutoUpdate, r('autoUpdateEnabled', 'Auto Updates Enabled')),
                 setTooltip(checkLink, r('statusLinkExcluded', 'Status Link Excluded'))
             ]
         );
         // contacts
+        const readonly = this.#option.readonly;
         const contacts = createElement('div');
         container.append(
             createElement('div', 'contact-bar',
-                createIcon('fa-solid', 'user-circle', {
-                    'fill': 'lightgray',
-                    'flex': '0 0 auto'
-                }),
-                createElementInit('div', div => div.style.flex = '1 1 auto',
+                createElement('div', 'bar-icon',
+                    createIcon('fa-solid', 'user-circle', {
+                        'fill': 'lightgray'
+                    })
+                ),
+                createElement('div', 'bar-list',
                     contacts,
-                    createElementInit('button', button => {
-                        button.className = 'roundbtn';
+                    createElement('button', button => {
+                        button.className = 'roundbtn button-edit-contacts';
                         button.style.backgroundColor = 'rgb(1, 199, 172)';
+                        if (readonly === true) {
+                            button.style.display = 'none';
+                        }
                         button.appendChild(createIcon('fa-solid', 'user-edit'));
                         setTooltip(button, r('editContacts', 'Edit Contacts'));
                         button.addEventListener('click', () => {
                             // TODO:
+                            const pop = createPopup(
+                                createElement('div', div => {
+                                    div.style.display = 'flex';
+                                    div.append(
+                                        createElement('span', span => {
+                                            span.style.flex = '1 1 auto';
+                                            span.innerText = r('editContacts', 'Edit Contacts');
+                                        }),
+                                        createElement('button', button => {
+                                            button.style.flex = '0 0 auto';
+                                            button.className = 'roundbtn button-add-contact';
+                                            button.backgroundColor = 'rgb(1, 199, 172)';
+                                            button.appendChild(createIcon('fa-regular', 'user'));
+                                            setTooltip(button, r('addContact', 'Add Contact'))
+                                        })
+                                    )
+                                }),
+                                createElement('div', div => {
+                                    div.style.height = '300px';
+                                    div.innerText = 'Contacts from Customer Record';
+                                }));
+                            container.append(pop);
+                            setTimeout(() => pop.style.opacity = 1, 0);
                         });
                     })
                 )
@@ -149,20 +251,27 @@ class CustomerCommunication {
         // followers
         const followers = createElement('div');
         container.append(
-            createElement('div', 'contact-bar follower-bar',
-                createIcon('fa-solid', 'user-tag', {
-                    'fill': '#fff',
-                    'background-color': 'lightgray',
-                    'box-sizing': 'border-box',
-                    'border-radius': '15px',
-                    'padding': '4px',
-                    'flex': '0 0 auto'
-                }),
-                createElementInit('div', div => div.style.flex = '1 1 auto',
+            createElement('div', div => {
+                div.className = 'contact-bar follower-bar';
+                div.style.display = 'none';
+            },
+                setTooltip(createElement('div', 'bar-icon',
+                    createIcon('fa-solid', 'user-tag', {
+                        'fill': '#fff',
+                        'background-color': 'lightgray',
+                        'box-sizing': 'border-box',
+                        'border-radius': '15px',
+                        'padding': '4px'
+                    })
+                ), r('copied', 'Copied')),
+                createElement('div', 'bar-list',
                     followers,
-                    createElementInit('button', button => {
-                        button.className = 'roundbtn';
+                    createElement('button', button => {
+                        button.className = 'roundbtn button-edit-followers';
                         button.style.backgroundColor = 'rgb(48, 107, 255)';
+                        if (readonly === true) {
+                            button.style.display = 'none';
+                        }
                         button.appendChild(createIcon('fa-solid', 'pen'));
                         setTooltip(button, r('editFollower', 'Edit Followers'));
                         button.addEventListener('click', () => {
@@ -175,20 +284,31 @@ class CustomerCommunication {
         this.#followers = followers;
         // enter box
         const enter = createElement('textarea');
-        enter.placeholder = r('typeComment', 'Enter Message Here');
+        enter.placeholder = r('typeMessage', 'Enter Message Here');
         enter.maxLength = 3000;
+        if (readonly === true) {
+            enter.disabled = true;
+        }
+        enter.addEventListener('input', () => {
+            const val = this.#enter.value;
+            const s = String(nullOrEmpty(val) ? 0 : val.length) + '/3000';
+            this.#container.querySelector('.message-bar .prompt-count').innerText = s;
+        });
         this.#enter = enter;
         container.appendChild(
             createElement('div', 'message-bar',
                 enter,
-                createElementInit('div', div => div.style.textAlign = 'right',
-                    createElementInit('button', button => {
-                        button.className = 'roundbtn';
+                createElement('div', div => div.style.textAlign = 'right',
+                    createElement('div', 'prompt-count'),
+                    createElement('button', button => {
+                        button.className = 'roundbtn button-send-message';
                         button.style.backgroundColor = 'rgb(19, 150, 204)';
                         button.appendChild(createIcon('fa-solid', 'paper-plane'));
                         setTooltip(button, r('sendMessage', 'Send Message'));
                         button.addEventListener('click', () => {
-                            // TODO: Add text
+                            if (typeof this.#option.onAddMessage === 'function') {
+                                this.#option.onAddMessage(this.#enter.value);
+                            }
                         })
                     })
                 )
@@ -240,7 +360,7 @@ class CustomerCommunication {
                 if (sendto !== '') {
                     sendto = r('sendToColon', 'Send To :') + `\n${sendto}`;
                 }
-                div.appendChild(createElementInit('div', div => {
+                div.appendChild(createElement('div', div => {
                     div.className = 'item-poster';
                     div.innerText = name;
                     if (!comm.IsReply && sendto?.length > 0) {
@@ -248,14 +368,17 @@ class CustomerCommunication {
                     }
                 }));
                 const content = createElement('div', 'item-content');
-                if (/https?:\/\//i.test(comm.Message)) {
-                    content.innerHTML = formatUrl(comm.Message);
-                } else {
-                    content.innerText = comm.Message;
-                }
+                content.appendChild(createElement('span', span => {
+                    if (/https?:\/\//i.test(comm.Message)) {
+                        span.innerHTML = formatUrl(comm.Message);
+                    } else {
+                        span.innerText = comm.Message;
+                    }
+                }));
                 if (comm.IsReply) {
                     div.classList.add('item-other');
                 } else {
+                    div.classList.add('item-self');
                     const [status, statusmsg] = this.#getMessageStatus(comm);
                     if (status !== -100) {
                         let statustext;
@@ -284,7 +407,7 @@ class CustomerCommunication {
                                 content.style.backgroundColor = '#ffc107';
                                 break;
                         }
-                        const divstatus = createElementInit('div', div => {
+                        const divstatus = createElement('div', div => {
                             div.className = 'item-status';
                             div.innerText = statustext;
                             if (status == -10) {
@@ -296,7 +419,7 @@ class CustomerCommunication {
                 }
                 div.append(
                     content,
-                    createElementInit('div', div => {
+                    createElement('div', div => {
                         div.className = 'item-time';
                         div.innerText = comm.TimeStr;
                     })
@@ -304,10 +427,10 @@ class CustomerCommunication {
                 children.push(div);
             }
             children[0].style.marginTop = '0';
-            this.#message.append(...children);
-            this.#message.scrollTop = this.#message.scrollHeight
-            // setTimeout(() => this.#message.scrollTop = this.#message.scrollHeight, 0);
         }
+        this.#message.replaceChildren(...children);
+        this.#message.scrollTop = this.#message.scrollHeight
+        // setTimeout(() => this.#message.scrollTop = this.#message.scrollHeight, 0);
     }
 
     #getMessageStatus(comm) {
diff --git a/lib/app/communications/internal.js b/lib/app/communications/internal.js
new file mode 100644
index 0000000..940bcda
--- /dev/null
+++ b/lib/app/communications/internal.js
@@ -0,0 +1,124 @@
+import "./style.scss";
+import { createElement } from "../../functions";
+import { r } from "../../utility/lgres";
+import { nullOrEmpty } from "../../utility/strings";
+import { escapeHtml } from "../../utility";
+import { setTooltip } from "../../ui/tooltip";
+import { createIcon } from "../../ui/icon";
+import { createBox } from "./lib";
+
+class InternalComment {
+    #container;
+    #option;
+    #enter;
+    #message;
+
+    constructor(opt) {
+        this.#option = opt ?? {};
+    }
+
+    get text() { return this.#enter?.value }
+    set text(s) {
+        const element = this.#enter;
+        if (element != null) {
+            element.value = s
+            s = String(nullOrEmpty(s) ? 0 : val.length) + '/3000';
+            this.#container.querySelector('.message-bar .prompt-count').innerText = s;
+        }
+    }
+
+    create() {
+        const container = createBox(
+            createElement('div', null,
+                createElement('div', div => div.innerText = r('internalComments', 'Internal Comments'))
+            ), []
+        );
+        // enter box
+        const enter = createElement('textarea');
+        enter.placeholder = r('typeComment', 'Enter Comment Here');
+        enter.maxLength = 3000;
+        enter.addEventListener('input', () => {
+            const val = this.#enter.value;
+            const s = String(nullOrEmpty(val) ? 0 : val.length) + '/3000';
+            this.#container.querySelector('.message-bar .prompt-count').innerText = s;
+        });
+        this.#enter = enter;
+        container.appendChild(
+            createElement('div', 'message-bar',
+                enter,
+                createElement('div', div => div.style.textAlign = 'right',
+                    createElement('div', 'prompt-count'),
+                    createElement('button', button => {
+                        button.className = 'roundbtn button-send-message';
+                        button.style.backgroundColor = 'rgb(19, 150, 204)';
+                        button.appendChild(createIcon('fa-solid', 'paper-plane'));
+                        setTooltip(button, r('sendMessage', 'Send Message'));
+                        button.addEventListener('click', () => {
+                            if (typeof this.#option.onAddMessage === 'function') {
+                                this.#option.onAddMessage(this.#enter.value);
+                            }
+                        })
+                    }),
+                    createElement('button', button => {
+                        button.className = 'roundbtn button-post-note';
+                        button.style.border = '1px solid rgb(19, 150, 204)';
+                        button.style.fill = 'rgb(19, 150, 204)';
+                        button.appendChild(createIcon('fa-solid', 'comment-alt-lines'));
+                        setTooltip(button, r('postNote', 'Post Note'));
+                        button.addEventListener('click', () => {
+                            if (typeof this.#option.onAddComment === 'function') {
+                                this.#option.onAddComment(this.#enter.value);
+                            }
+                        })
+                    })
+                )
+            )
+        );
+
+        const message = createElement('div', 'list-bar');
+        this.#message = message;
+        container.appendChild(message);
+        return this.#container = container;
+    }
+
+    load(data) {
+        const children = [];
+        if (data?.length > 0) {
+            for (let comment of data) {
+                const div = createElement('div', 'item-div');
+                // if (sendto !== '') {
+                //     sendto = r('sendToColon', 'Send To :') + `\n${sendto}`;
+                // }
+                div.appendChild(createElement('div', div => {
+                    div.className = 'item-poster';
+                    div.innerText = comment.UserName;
+                }));
+                const content = createElement('div', 'item-content');
+                content.appendChild(createElement('span', span => span.innerText = escapeHtml(comment.Comment)));
+                if (comment.FollowUp?.length > 0) {
+                    div.classList.add('item-sent');
+                    const sendto = r('sendToColon', 'Send To :') + '\r\n' + comment.FollowUp.split(';').join('\r\n');
+                    content.appendChild(createElement('div', div => {
+                        div.className = 'item-status';
+                        div.innerText = r('sent', 'Sent');
+                        setTooltip(div, sendto);
+                    }));
+                }
+                div.append(
+                    content,
+                    createElement('div', div => {
+                        div.className = 'item-time';
+                        div.innerText = comment.SubmitDateStr;
+                    })
+                );
+                children.push(div);
+            }
+            children[0].style.marginTop = '0';
+        }
+        this.#message.replaceChildren(...children);
+        this.#message.scrollTop = this.#message.scrollHeight
+        // setTimeout(() => this.#message.scrollTop = this.#message.scrollHeight, 0);
+    }
+}
+
+export default InternalComment;
\ No newline at end of file
diff --git a/lib/app/communications/lib.js b/lib/app/communications/lib.js
index 41fedfb..95467b1 100644
--- a/lib/app/communications/lib.js
+++ b/lib/app/communications/lib.js
@@ -1,4 +1,4 @@
-import { createElement, createElementInit } from "../../functions";
+import { createElement } from "../../functions";
 
 function createBox(title, functions) {
     const container = createElement('div', 'comm');
diff --git a/lib/app/communications/style.scss b/lib/app/communications/style.scss
index b19967e..d7adc14 100644
--- a/lib/app/communications/style.scss
+++ b/lib/app/communications/style.scss
@@ -1,10 +1,6 @@
 :root {
-    --dark-fore-color: #fff;
-    --dark-fore-opacity-color: rgba(255, 255, 255, .6);
     --title-color: #fff;
     --title-bg-color: rgb(68, 114, 196);
-    --strong-color: #333;
-    --medium-font-size: .875rem;
 }
 
 .comm {
@@ -13,6 +9,15 @@
     width: 320px;
     background-color: var(--dark-fore-color);
     border: 1px solid var(--title-bg-color);
+    margin-left: 12px;
+
+    & {
+        --dark-fore-color: #fff;
+        --dark-fore-opacity-color: rgba(255, 255, 255, .6);
+        --strong-color: #333;
+        --light-color: #ccc;
+        --medium-font-size: .875rem;
+    }
 
     .roundbtn {
         width: 30px;
@@ -86,6 +91,7 @@
         line-height: 24px;
         display: flex;
         align-items: center;
+        font-size: 1.2em;
 
         >div {
             flex: 1 1 auto;
@@ -94,6 +100,7 @@
         >.title-functions {
             flex: 0 0 auto;
             display: flex;
+            padding: 4px;
 
             >label {
                 margin: 0 4px;
@@ -122,6 +129,19 @@
                         opacity: .6;
                     }
                 }
+
+                &.disabled {
+                    cursor: default;
+                    opacity: .6;
+
+                    &:hover {
+                        background-color: var(--dark-fore-color);
+
+                        >svg {
+                            opacity: unset;
+                        }
+                    }
+                }
             }
         }
     }
@@ -132,29 +152,41 @@
         display: flex;
         border-bottom: 1px solid var(--title-bg-color);
 
-        >svg {
-            width: 30px;
-            height: 30px;
-            margin: 0 8px;
-        }
-
-        .contact-item {
-            display: flex;
-            align-items: center;
-            line-height: 22px;
+        >.bar-icon {
+            flex: 0 0 auto;
 
             >svg {
-                flex: 0 0 auto;
-                width: 16px;
-                height: 16px;
-                margin-right: 6px;
-                fill: var(--strong-color);
+                width: 30px;
+                height: 30px;
+                margin: 0 8px;
             }
+        }
 
-            >span {
-                flex: 1 1 auto;
-                color: var(--strong-color);
-                font-size: var(--medium-font-size);
+        >.bar-list {
+            flex: 1 1 auto;
+            width: calc(100% - 46px);
+
+            .contact-item {
+                display: flex;
+                align-items: center;
+                line-height: 22px;
+
+                >svg {
+                    flex: 0 0 auto;
+                    width: 16px;
+                    height: 16px;
+                    margin-right: 6px;
+                    fill: var(--strong-color);
+                }
+
+                >span {
+                    flex: 1 1 auto;
+                    color: var(--strong-color);
+                    font-size: var(--medium-font-size);
+                    overflow: hidden;
+                    text-overflow: ellipsis;
+                    padding-right: 10px;
+                }
             }
         }
 
@@ -182,6 +214,11 @@
 
         >div {
             padding: 0 10px 10px;
+
+            >.prompt-count {
+                display: inline-block;
+                color: var(--light-color);
+            }
         }
     }
 
@@ -206,64 +243,78 @@
             &:last-child {
                 border-bottom: none;
             }
-        }
 
-        .item-poster {
-            font-weight: bold;
-            align-self: flex-end;
+            .item-poster {
+                font-weight: bold;
+                align-self: flex-start;
 
-            .tooltip-wrapper>.tooltip-content {
-                font-weight: normal;
-            }
-        }
-
-        .item-content {
-            line-height: 1.2rem;
-            padding: 8px 20px;
-            border-radius: 5px;
-            white-space: pre-wrap;
-            word-break: break-word;
-            max-width: 240px;
-            margin-right: 10px;
-            background-color: #9eea6a;
-            align-self: flex-end;
-
-            a>svg {
-                width: 13px;
-                height: 13px;
-                fill: #2140fb;
-
-                &:hover {
-                    border-bottom: 1px solid;
+                .tooltip-wrapper>.tooltip-content {
+                    font-weight: normal;
                 }
             }
 
-            .item-status {
-                text-align: right;
-                margin-top: 3px;
-                font-weight: bold;
-                margin-right: -12px;
-                font-size: 10px;
-            }
-        }
-
-        .item-time {
-            align-self: flex-end;
-            color: #aaa;
-            font-size: .7rem;
-        }
-
-        &.item-other {
-
-            .item-poster,
-            .item-content {
-                align-self: flex-start;
-            }
-
             .item-content {
+                line-height: 1.2rem;
+                padding: 8px 20px;
+                border-radius: 5px;
+                white-space: pre-wrap;
+                word-break: break-word;
+                max-width: 240px;
                 background-color: rgb(244, 244, 244);
-                margin-right: unset;
-                margin-left: 10px;
+
+                a>svg {
+                    width: 13px;
+                    height: 13px;
+                    fill: #2140fb;
+
+                    &:hover {
+                        border-bottom: 1px solid;
+                    }
+                }
+
+                >span::after {
+                    content: '';
+                    display: block;
+                }
+
+                .item-status {
+                    text-align: right;
+                    margin-top: 3px;
+                    font-weight: bold;
+                    margin-right: -12px;
+                    font-size: 10px;
+                    float: right;
+                }
+            }
+
+            .item-time {
+                align-self: flex-end;
+                color: #aaa;
+                font-size: .7rem;
+            }
+
+            &.item-other {
+                .item-content {
+                    margin-left: 10px;
+                    align-self: flex-start;
+                }
+            }
+
+            &.item-self {
+
+                .item-poster,
+                .item-content {
+                    align-self: flex-end;
+                }
+
+                .item-content {
+                    margin-right: 10px;
+                    background-color: #9eea6a;
+                }
+            }
+
+            &.item-sent .item-content {
+                background-color: rgb(164, 226, 251);
             }
         }
     }
diff --git a/lib/functions.d.ts b/lib/functions.d.ts
index 8b5b3d4..3205237 100644
--- a/lib/functions.d.ts
+++ b/lib/functions.d.ts
@@ -1,2 +1 @@
-export function createElement<K extends keyof HTMLElementTagNameMap>(tagName: K, className?: string, ...children?: (Node | string)[]): HTMLElementTagNameMap[K];
-export function createElementInit<K extends keyof HTMLElementTagNameMap>(tagName: K, init?: (element: HTMLElementTagNameMap[K]) => void, ...children?: (Node | string)[]): HTMLElementTagNameMap[K];
\ No newline at end of file
+export function createElement<K extends keyof HTMLElementTagNameMap>(tagName: K, init?: string | ((element: HTMLElementTagNameMap[K]) => void), ...children?: (Node | string)[]): HTMLElementTagNameMap[K];
\ No newline at end of file
diff --git a/lib/functions.js b/lib/functions.js
index 717ef7b..d52765e 100644
--- a/lib/functions.js
+++ b/lib/functions.js
@@ -1,19 +1,12 @@
-function createElement(tagName, className, ...children) {
-    return createElementInit(tagName, className && (element => element.className = className), ...children);
-}
-
-function createElementInit(tagName, init, ...children) {
+export function createElement(tagName, init, ...children) {
     const element = document.createElement(tagName);
     if (typeof init === 'function') {
         init(element);
+    } else if (init != null) {
+        element.className = init;
     }
     if (children.length > 0) {
         element.append(...children);
     }
     return element;
 }
-
-export {
-    createElement,
-    createElementInit
-}
\ No newline at end of file
diff --git a/lib/ui/checkbox.js b/lib/ui/checkbox.js
index 8663a95..583f4d6 100644
--- a/lib/ui/checkbox.js
+++ b/lib/ui/checkbox.js
@@ -1,4 +1,4 @@
-import { createElement, createElementInit } from "../functions";
+import { createElement } from "../functions";
 import { createIcon } from "./icon";
 
 function fillCheckbox(container, type, label) {
@@ -9,14 +9,14 @@ function fillCheckbox(container, type, label) {
         container.appendChild(label);
     } else if (label?.length > 0) {
         container.appendChild(
-            createElementInit('span', span => span.innerText = label)
+            createElement('span', span => span.innerText = label)
         );
     }
 }
 
 function createCheckbox(opts = {}) {
     const container = createElement('label', 'checkbox-wrapper',
-        createElementInit('input', input => {
+        createElement('input', input => {
             input.setAttribute('type', 'checkbox');
             if (opts.checked === true) {
                 input.checked = true;
diff --git a/lib/ui/dropdown.html b/lib/ui/dropdown.html
index 902fcd9..219f570 100644
--- a/lib/ui/dropdown.html
+++ b/lib/ui/dropdown.html
@@ -279,7 +279,7 @@
       display: flex;
     }
 
-    #dropdown-sample>.dropdown-wrapper {
+    #dropdown-sample>.drop-wrapper {
       width: 200px;
       margin-right: 10px;
     }
diff --git a/lib/ui/dropdown.js b/lib/ui/dropdown.js
index b436734..f783696 100644
--- a/lib/ui/dropdown.js
+++ b/lib/ui/dropdown.js
@@ -20,7 +20,7 @@ if (dropdownGlobal == null) {
         configurable: false,
         enumerable: false,
         value: function () {
-            const panel = document.querySelector('.dropdown-wrapper .dropdown-box.active');
+            const panel = document.querySelector('.drop-wrapper .drop-box.active');
             if (panel == null) {
                 return;
             }
@@ -40,7 +40,7 @@ if (dropdownGlobal == null) {
     document.addEventListener('mousedown', e => {
         let parent = e.target;
         while (parent != null) {
-            if (parent.classList.contains('dropdown-box')) {
+            if (parent.classList.contains('drop-box')) {
                 e.stopPropagation();
                 return;
             }
@@ -111,14 +111,14 @@ class Dropdown {
         const options = this.#options;
 
         // wrapper
-        const wrapper = createElement('div', 'dropdown-wrapper');
+        const wrapper = createElement('div', 'drop-wrapper');
         const dropId = String(Math.random()).substring(2);
         wrapper.dataset.dropId = dropId;
         dropdownGlobal[dropId] = this;
         this.#wrapper = wrapper;
 
         // header
-        const header = createElement('div', 'dropdown-header');
+        const header = createElement('div', 'drop-header');
         header.addEventListener('click', () => {
             if (this.disabled) {
                 return;
@@ -136,7 +136,7 @@ class Dropdown {
         // label or input
         let label;
         if (options.input) {
-            label = createElement('input', 'dropdown-text');
+            label = createElement('input', 'drop-text');
             label.setAttribute('type', 'text');
             options.placeholder && label.setAttribute('placeholder', options.placeholder);
             isPositive(options.maxlength) && label.setAttribute('maxlength', options.maxlength);
@@ -151,7 +151,7 @@ class Dropdown {
             label.addEventListener('mousedown', e => this.#expanded && e.stopPropagation());
         } else {
             isPositive(options.tabindex) && header.setAttribute('tabindex', options.tabindex);
-            label = createElement('label', 'dropdown-text');
+            label = createElement('label', 'drop-text');
         }
         this.#label = label;
         if (options.multiselect) {
@@ -164,7 +164,7 @@ class Dropdown {
         } else if (options.selected != null) {
             this.select(options.selected, true);
         }
-        header.append(label, createElement('label', 'dropdown-caret'));
+        header.append(label, createElement('label', 'drop-caret'));
         wrapper.appendChild(header);
 
         this.disabled = options.disabled || false;
@@ -173,16 +173,16 @@ class Dropdown {
 
     get multiselect() { return this.#options.multiselect }
 
-    get disabled() { return this.#wrapper == null || this.#wrapper.querySelector('.dropdown-header.disabled') != null }
+    get disabled() { return this.#wrapper == null || this.#wrapper.querySelector('.drop-header.disabled') != null }
 
     set disabled(flag) {
         if (this.#wrapper == null) {
             return;
         }
         if (flag) {
-            this.#wrapper.querySelector('.dropdown-header').classList.add('disabled');
+            this.#wrapper.querySelector('.drop-header').classList.add('disabled');
         } else {
-            this.#wrapper.querySelector('.dropdown-header').classList.remove('disabled');
+            this.#wrapper.querySelector('.drop-header').classList.remove('disabled');
         }
     }
 
@@ -275,16 +275,16 @@ class Dropdown {
         }
     }
 
-    get #expanded() { return this.#container?.style.visibility === 'visible' }
+    get #expanded() { return this.#container?.style?.visibility === 'visible' }
 
     #dropdown(flag = true) {
         const options = this.#options;
         let panel = this.#container;
         if (panel == null) {
-            panel = createElement('div', 'dropdown-box');
+            panel = createElement('div', 'drop-box');
             // search box
             if (!options.input && options.search) {
-                const search = createElement('div', 'dropdown-search');
+                const search = createElement('div', 'drop-search');
                 const input = createElement('input');
                 input.setAttribute('type', 'text');
                 isPositive(options.tabindex) && input.setAttribute('tabindex', options.tabindex);
@@ -298,7 +298,7 @@ class Dropdown {
                 panel.appendChild(search);
             }
             // list
-            const list = createElement('ul', 'dropdown-list');
+            const list = createElement('ul', 'drop-list');
             if (!this.multiselect) {
                 list.addEventListener('click', e => {
                     let li = e.target;
@@ -321,7 +321,7 @@ class Dropdown {
         if (flag) {
             let source = this.source;
             if (!options.input && options.search) {
-                const search = panel.querySelector('.dropdown-search > input');
+                const search = panel.querySelector('.drop-search > input');
                 if (!nullOrEmpty(search?.value)) {
                     source = filterSource(options.searchkeys, options.textkey, search.value, source);
                 }
@@ -348,7 +348,7 @@ class Dropdown {
     }
 
     #filllist(source) {
-        const list = this.#container.querySelector('.dropdown-list');
+        const list = this.#container.querySelector('.drop-list');
         list.replaceChildren();
         const multiselect = this.multiselect;
         const allchecked = this.#allChecked;
diff --git a/lib/ui/grid.d.ts b/lib/ui/grid.d.ts
index 28a1c72..bfa9669 100644
--- a/lib/ui/grid.d.ts
+++ b/lib/ui/grid.d.ts
@@ -5,6 +5,11 @@ interface GridItem {
     displayValue: string;
 }
 
+interface GridSourceItem {
+    value: string;
+    text: string;
+}
+
 declare var GridColumn: {
     create(): HTMLElement;
     createEdit(trigger: (e: any) => void, col: GridColumnDefinition, body: HTMLElement): HTMLElement;
@@ -44,7 +49,7 @@ interface GridColumnDefinition {
     sortFilter?: (a: GridItem | any, b: GridItem | any) => -1 | 0 | 1;
     bgFilter?: (item: GridItem | any) => string;
     dropOptions?: DropdownOptions;
-    source?: Array<any> | ((item: GridItem | any) => Array<any>);
+    source?: Array<any> | ((item: GridItem | any) => Array<any> | Promise<Array<GridSourceItem>>);
     iconType?: string;
     text?: string;
     tooltip?: string;
diff --git a/lib/ui/grid.html b/lib/ui/grid.html
index 949e160..2bdfa62 100644
--- a/lib/ui/grid.html
+++ b/lib/ui/grid.html
@@ -85,7 +85,7 @@
       sortFilter?: (a: GridItem | any, b: GridItem | any) => -1 | 0 | 1;
       bgFilter?: (item: GridItem | any) => string;
       dropOptions?: DropdownOptions;
-      source?: Array&lt;any&gt; | ((item: GridItem | any) => Array&lt;any&gt;);
+      source?: Array&lt;any&gt; | ((item: GridItem | any) => Array&lt;any&gt; | Promise&lt;Array&lt;GridSourceItem&gt;&gt;);
       iconType?: string;
       text?: string;
       tooltip?: string;
@@ -136,8 +136,8 @@
   <samp>val: any</samp>
   <p>单元格的值</p>
   <samp>item: GridItem | any</samp>
-  <p>单元格所在行的数据项/p>
-    <samp>col: GridColumnDefinition</samp>
+  <p>单元格所在行的数据项</p>
+  <samp>col: GridColumnDefinition</samp>
   <p>单元格所在列的定义对象</p>
   <hr />
   <h2>示例</h2>
@@ -198,12 +198,22 @@
           key: 'c2a',
           caption: '下拉',
           type: Grid.ColumnTypes.Dropdown,
-          source: [
-            { value: 'off', text: 'Off' },
-            { value: 'pending', text: 'Pending' },
-            { value: 'broken', text: 'Broken' },
-            { value: 'running', text: 'Running' }
-          ],
+          source: item => {
+            if (item.source == null) {
+              return new Promise((resolve, reject) => {
+                setTimeout(() => {
+                  item.source = [
+                    { value: 'off', text: 'Off' },
+                    { value: 'pending', text: 'Pending' },
+                    { value: 'broken', text: 'Broken' },
+                    { value: 'running', text: 'Running' }
+                  ];
+                  resolve(item.source);
+                }, 2000);
+              });
+            }
+            return item.source;
+          },
           enabled: 'enabled',
           onchanged: (item, value) => console.log('dropdown changed', item, value)
         },
diff --git a/lib/ui/grid.js b/lib/ui/grid.js
index df8609c..c641a35 100644
--- a/lib/ui/grid.js
+++ b/lib/ui/grid.js
@@ -1,7 +1,7 @@
 import { global, isPositive, isMobile, throttle, truncate } from "../utility";
 import { nullOrEmpty } from "../utility/strings";
 import { r } from "../utility/lgres";
-import { createElement, createElementInit } from "../functions";
+import { createElement } from "../functions";
 import { createIcon } from "./icon";
 import { createCheckbox } from "./checkbox";
 import { setTooltip } from "./tooltip";
@@ -85,7 +85,7 @@ class GridDropdownColumn extends GridColumn {
         return drop.create();
     }
 
-    static getDrop(element) {
+    static #getDrop(element) {
         const dropGlobal = global[SymbolDropdown];
         if (dropGlobal == null) {
             return null;
@@ -98,7 +98,7 @@ class GridDropdownColumn extends GridColumn {
         return drop;
     }
 
-    static getSource(item, col) {
+    static #getSource(item, col) {
         let source = col.source;
         if (typeof source === 'function') {
             source = source(item);
@@ -106,23 +106,37 @@ class GridDropdownColumn extends GridColumn {
         return source;
     }
 
+    static #setValue(source, element, val) {
+        const data = source?.find(v => v.value === val);
+        if (data != null) {
+            val = data.text;
+        }
+        super.setValue(element, val);
+    }
+
     static setValue(element, val, item, col) {
         if (element.tagName !== 'DIV') {
-            let source = this.getSource(item, col);
-            const data = source?.find(v => v.value === val);
-            if (data != null) {
-                val = data.text;
+            let source = this.#getSource(item, col);
+            if (source instanceof Promise) {
+                source.then(s => this.#setValue(s, element, val));
+            } else {
+                this.#setValue(source, element, val);
             }
-            super.setValue(element, val);
             return;
         }
-        const drop = this.getDrop(element);
+        const drop = this.#getDrop(element);
         if (drop == null) {
             return;
         }
         if (drop.source == null || drop.source.length === 0) {
-            let source = this.getSource(item, col);
-            if (source != null) {
+            let source = this.#getSource(item, col);
+            if (source instanceof Promise) {
+                source.then(s => {
+                    drop.source = s;
+                    drop.select(val, true);
+                })
+                return;
+            } else if (source != null) {
                 drop.source = source;
             }
         }
@@ -134,7 +148,7 @@ class GridDropdownColumn extends GridColumn {
     }
 
     static setEnabled(element, enabled) {
-        const drop = this.getDrop(element);
+        const drop = this.#getDrop(element);
         if (drop == null) {
             return;
         }
@@ -316,7 +330,7 @@ class Grid {
 
     get selectedIndex() { return (this.#selectedIndexes && this.#selectedIndexes[0]) ?? -1 }
 
-    get loading() { return this.#refs.loading?.style.visibility === 'visible' }
+    get loading() { return this.#refs.loading?.style?.visibility === 'visible' }
     set loading(flag) {
         if (this.#refs.loading == null) {
             return;
diff --git a/lib/ui/popup.js b/lib/ui/popup.js
new file mode 100644
index 0000000..1124a9d
--- /dev/null
+++ b/lib/ui/popup.js
@@ -0,0 +1,45 @@
+import "../../css/popup.scss";
+import { createElement } from "../functions";
+import { createIcon } from "./icon";
+
+function createPopup(title, content, ...buttons) {
+    const mask = createElement('div', 'popup-mask');
+    const container = createElement('div', 'popup-container');
+    const close = () => {
+        mask.classList.add('popup-active');
+        mask.style.opacity = 0;
+        setTimeout(() => mask.remove(), 120);
+    };
+    container.append(
+        createElement('div', header => {
+            header.className = 'popup-header';
+            if (title instanceof HTMLElement) {
+                header.appendChild(title);
+            } else {
+                header.appendChild(createElement('div', t => t.innerText = title));
+            }
+            const cancel = createIcon('fa-regular', 'times');
+            cancel.addEventListener('click', () => close());
+            header.appendChild(cancel);
+        }),
+        createElement('div', 'popup-body', content),
+        createElement('div', 'popup-footer', ...buttons.map(b => {
+            const button = createElement('div', 'popup-button');
+            button.innerText = b.text;
+            if (typeof b.trigger === 'function') {
+                button.addEventListener('click', () => {
+                    if (b.trigger(container) === false) {
+                        return;
+                    }
+                    close();
+                });
+            }
+        }))
+    );
+    mask.appendChild(container);
+    return mask;
+}
+
+export {
+    createPopup
+}
\ No newline at end of file
diff --git a/lib/ui/tooltip.d.ts b/lib/ui/tooltip.d.ts
index de17fd8..1e0a69d 100644
--- a/lib/ui/tooltip.d.ts
+++ b/lib/ui/tooltip.d.ts
@@ -1,2 +1,2 @@
-export function setTooltip(container: HTMLElement, content: string | HTMLElement): HTMLElement
+export function setTooltip(container: HTMLElement, content: string | HTMLElement, flag?: boolean): HTMLElement
 export function resolveTooltip(container?: HTMLElement): HTMLElement
\ No newline at end of file
diff --git a/lib/ui/tooltip.html b/lib/ui/tooltip.html
index c33feae..ecb66c0 100644
--- a/lib/ui/tooltip.html
+++ b/lib/ui/tooltip.html
@@ -5,7 +5,7 @@
         给某个元素或者页面上含有 title 属性的元素设置一个统一样式的 tooltip。
     </p>
     <h2>setTooltip</h2>
-    <code>function setTooltip(container: HTMLElement, content: string | HTMLElement): void</code>
+    <code>function setTooltip(container: HTMLElement, content: string | HTMLElement, flag?: boolean): void</code>
     <h3>container: HTMLElement</h3>
     <p>
         要设置 tooltip 的元素
@@ -14,6 +14,10 @@
     <p>
         要设置的 tooltip 内容，允许为字符串或者 HTML 元素
     </p>
+    <h3>flag?: boolean</h3>
+    <p>
+        是否启用严格模式，只有显示不完整时才显示 tooltip
+    </p>
     <h2>resolveTooltip</h2>
     <code>function resolveTooltip(container?: HTMLElement): HTMLElement</code>
     <h3>container?: HTMLElement</h3>
diff --git a/lib/ui/tooltip.js b/lib/ui/tooltip.js
index 312bf46..c57d5c4 100644
--- a/lib/ui/tooltip.js
+++ b/lib/ui/tooltip.js
@@ -1,18 +1,18 @@
-import { createElement, createElementInit } from "../functions";
+import { createElement } from "../functions";
 
-function setTooltip(container, content) {
+function setTooltip(container, content, flag = false) {
     const tip = container.querySelector('.tooltip-wrapper');
     if (tip != null) {
         tip.remove();
     }
-    const wrapper = createElementInit('div', wrapper => {
+    const wrapper = createElement('div', wrapper => {
         wrapper.className = 'tooltip-wrapper tooltip-color';
         wrapper.style.visibility = 'hidden';
         wrapper.style.opacity = 0;
     },
         createElement('div', 'tooltip-pointer tooltip-color'),
         createElement('div', 'tooltip-curtain tooltip-color'),
-        createElementInit('div', cnt => {
+        createElement('div', cnt => {
             cnt.className = 'tooltip-content';
             if (content instanceof HTMLElement) {
                 cnt.appendChild(content);
@@ -27,32 +27,35 @@ function setTooltip(container, content) {
     let tid;
     container.addEventListener('mouseenter', () => {
         tid && clearTimeout(tid);
-        tid = setTimeout(() => {
-            while (container?.offsetWidth == null) {
-                container = container.parentElement;
-            }
-            if (container == null) {
-                return;
-            }
-            let parent = container;
-            let left = container.offsetLeft;
-            let top = container.offsetTop;
-            while ((parent = parent.offsetParent) != null) {
-                left += parent.offsetLeft;
-                top += parent.offsetTop;
-            }
-            parent = container;
-            while ((parent = parent.parentElement) != null) {
-                left -= parent.scrollLeft;
-                top -= parent.scrollTop;
-            }
-            left -= wrapper.offsetWidth / 2 - container.offsetWidth / 2;
-            top -= wrapper.offsetHeight + 14;
-            wrapper.style.left = `${left}px`;
-            wrapper.style.top = `${top}px`;
-            wrapper.style.visibility = 'visible';
-            wrapper.style.opacity = 1;
-        }, 100);
+        let c = container;
+        while (c?.offsetWidth == null) {
+            c = c.parentElement;
+        }
+        if (c == null) {
+            return;
+        }
+        if (!flag || c.scrollWidth > c.offsetWidth) {
+            tid = setTimeout(() => {
+                let parent = c;
+                let left = c.offsetLeft;
+                let top = c.offsetTop;
+                while ((parent = parent.offsetParent) != null) {
+                    left += parent.offsetLeft;
+                    top += parent.offsetTop;
+                }
+                parent = c;
+                while ((parent = parent.parentElement) != null) {
+                    left -= parent.scrollLeft;
+                    top -= parent.scrollTop;
+                }
+                left -= wrapper.offsetWidth / 2 - c.offsetWidth / 2;
+                top -= wrapper.offsetHeight + 14;
+                wrapper.style.left = `${left}px`;
+                wrapper.style.top = `${top}px`;
+                wrapper.style.visibility = 'visible';
+                wrapper.style.opacity = 1;
+            }, 100);
+        }
     });
     container.addEventListener('mouseleave', () => {
         tid && clearTimeout(tid);
diff --git a/lib/utility.js b/lib/utility.js
index 55fafb0..343c536 100644
--- a/lib/utility.js
+++ b/lib/utility.js
@@ -1,7 +1,7 @@
 import { getCookie, setCookie, deleteCookie } from "./utility/cookie";
 import { init, r, lang } from "./utility/lgres";
 import { get, post, upload } from "./utility/request";
-import { nullOrEmpty, contains, endsWith, padStart, formatUrl } from "./utility/strings";
+import { nullOrEmpty, contains, endsWith, padStart, formatUrl, escapeHtml } from "./utility/strings";
 
 let g = typeof globalThis !== 'undefined' ? globalThis : self;
 
@@ -58,6 +58,7 @@ export {
     endsWith,
     padStart,
     formatUrl,
+    escapeHtml,
     // variables
     g as global,
     isPositive,
diff --git a/lib/utility/strings.d.ts b/lib/utility/strings.d.ts
index c318863..c2b30ea 100644
--- a/lib/utility/strings.d.ts
+++ b/lib/utility/strings.d.ts
@@ -2,4 +2,5 @@ export function nullOrEmpty(s?: string | any | null): boolean
 export function contains(s: string, key: string | any, ignoreCase?: boolean): boolean
 export function endsWith(s: string, suffix: string): boolean
 export function padStart(s: string, num: Number, char: string): boolean
-export function formatUrl(msg: string): string
\ No newline at end of file
+export function formatUrl(msg: string): string
+export function escapeHtml(text: string): string
\ No newline at end of file
diff --git a/lib/utility/strings.html b/lib/utility/strings.html
index 5f524e9..416c06c 100644
--- a/lib/utility/strings.html
+++ b/lib/utility/strings.html
@@ -54,6 +54,12 @@
     <p>
         把超链接解析替换为图标
     </p>
+    <h2>escapeHtml</h2>
+    <code>function escapeHtml(text: string): string</code>
+    <h3>text: string</h3>
+    <p>
+        解析转换 html 代码为显示内容
+    </p>
     <hr />
     <h2>用法</h2>
     <pre>const util = window["lib-utility"];
diff --git a/lib/utility/strings.js b/lib/utility/strings.js
index 0c3c235..8cb83ab 100644
--- a/lib/utility/strings.js
+++ b/lib/utility/strings.js
@@ -34,7 +34,7 @@ function formatUrl(msg) {
     //const urlArrray = str.match(urlReg);
     const p = /(http|ftp|https):\/\/.+?(\s|\r\n|\r|\n|\"|\'|\*|$)/g;
     const r = msg.match(p);
-    msg = htmlencode(msg);
+    msg = escapeHtml(msg);
 
     if (r?.length > 0) {
         const rs = [];
@@ -50,7 +50,17 @@ function formatUrl(msg) {
         }
     }
 
-    return msg
+    return msg;
+}
+
+function escapeHtml(text) {
+    if (text == null) {
+        return '';
+    }
+    return String(text)
+        .replaceAll('&', '&amp;')
+        .replaceAll('<', '&lt;')
+        .replaceAll('>', '&gt;')
         .replaceAll('\r\n', '<br/>')
         .replaceAll('\n', '<br/>')
         .replaceAll('  ', '&nbsp;');
@@ -61,5 +71,6 @@ export {
     contains,
     endsWith,
     padStart,
-    formatUrl
+    formatUrl,
+    escapeHtml
 }
\ No newline at end of file