diff --git a/lib/ui/grid/grid.d.ts b/lib/ui/grid/grid.d.ts
index a7c5bef..58bb419 100644
--- a/lib/ui/grid/grid.d.ts
+++ b/lib/ui/grid/grid.d.ts
@@ -207,7 +207,9 @@ export class Grid {
      */
     onSorted?: (array?: Array<GridColumnSortDefinition>) => void;
 
-    /** 获取数据数组 */
+    /** 返回所有数据的数据（未过滤） */
+    get allSource(): Array<GridItem>;
+    /** 获取数据数组（已过滤） */
     get source(): Array<GridItem>;
     /** 设置数据，并刷新列表 */
     set source(list: Array<GridItem>);
@@ -224,8 +226,6 @@ export class Grid {
     /** 设置 Grid 滚动偏移量 */
     set scrollTop(top: number);
 
-    /** 获取已过滤后的当前列表中的数据数组 */
-    get sourceFiltered(): Array<GridItem>;
     /** 获取 Grid 的页面元素 */
     get element(): HTMLElement;
     /** 获取当前 Grid 是否已发生改变 */
diff --git a/lib/ui/grid/grid.js b/lib/ui/grid/grid.js
index df27d69..b574835 100644
--- a/lib/ui/grid/grid.js
+++ b/lib/ui/grid/grid.js
@@ -143,10 +143,12 @@ export class Grid {
         if (source == null) {
             return false;
         }
-        return source.filter(r => r.__changed).length > 0;
+        return source.find(r => r.__changed) != null;
     }
 
-    get source() { return this._var.source?.map(s => s.values) }
+    get allSource() { return this._var.source?.map(s => s.values) }
+
+    get source() { return this._var.currentSource?.map(s => s.values) }
     set source(list) {
         if (this._var.el == null) {
             throw new Error('grid has not been initialized.')
@@ -154,40 +156,66 @@ export class Grid {
         if (!Array.isArray(list)) {
             throw new Error('source is not an Array.')
         }
-        list = list.map(i => { return { values: i } });
+        list = list.map((it, index) => {
+            return {
+                __index: index,
+                values: it
+            }
+        });
         this._var.source = list;
         this._refreshSource(list);
     }
 
-    get sourceFiltered() { return this._var.currentSource?.map(s => s.values) ?? this.source }
-
     setItem(index, item) {
-        if (this._var.source == null) {
+        if (this._var.currentSource == null) {
             throw new Error('no source');
         }
-        const it = this._var.source[index];
+        const it = this._var.currentSource[index];
+        // clear dropdown source cache
         delete it.source;
         it.values = item;
         this.refresh();
     }
 
     addItem(item, index) {
-        if (this._var.source == null) {
+        if (this._var.currentSource == null) {
             throw new Error('no source');
         }
-        if (index >= 0) {
-            this._var.source.splice(index, 0, { values: item });
+        const it = index >= 0 ? this._var.currentSource[index] : null;
+        const newIt = { values: item };
+        if (it != null) {
+            newIt.__index = it.__index;
+            this._var.currentSource.splice(index, 0, newIt);
+            if (this._var.colAttrs.__filtered === true) {
+                this._var.source.splice(it.__index, 0, newIt);
+            }
+            for (let i = it.__index + 1; i < this._var.source.length; ++i) {
+                this._var.source[i].__index += 1;
+            }
         } else {
-            this._var.source.push({ values: item });
+            newIt.__index = this._var.source.length;
+            this._var.currentSource.push(newIt);
+            if (this._var.colAttrs.__filtered === true) {
+                this._var.source.push(newIt);
+            }
         }
         this.reload();
     }
 
     removeItem(index) {
-        if (this._var.source == null) {
+        if (this._var.currentSource == null) {
             throw new Error('no source');
         }
-        const item = this._var.source.splice(index, 1)[0];
+        const it = this._var.currentSource.splice(index, 1)[0];
+        if (it == null) {
+            return null;
+        }
+        if (this._var.colAttrs.__filtered === true) {
+            this._var.source.splice(it.__index, 1);
+        }
+        for (let i = it.__index + 1; i < this._var.source.length; --i) {
+            this._var.source[i].__index -= 1;
+        }
         this.reload();
         return item;
     }