diff --git a/packages/sortable-list/src/store/index.test.ts b/packages/sortable-list/src/store/index.test.ts
index de949ba8..92060d4e 100644
--- a/packages/sortable-list/src/store/index.test.ts
+++ b/packages/sortable-list/src/store/index.test.ts
@@ -10,54 +10,18 @@ describe('useStore', () => {
     expect(result.current.data).toEqual([]);
   });
 
-  describe('updateTableStore', () => {
-    describe('添加item', () => {
-      it('基础添加', () => {
-        const { result } = renderHook(() => useStore());
-
-        act(() => {
-          result.current.addItem({ id: '333' });
-        });
-
-        expect(result.current.data).toEqual([{ id: '333' }]);
-      });
-
-      it('携带索引的添加', () => {
-        const { result } = renderHook(() => useStore());
-
-        act(() => {
-          result.current.internalUpdateData([
-            { id: '1' },
-            { id: '2' },
-            { id: '3' },
-          ]);
-
-          result.current.addItem({ id: '4' }, 0);
-        });
-
-        expect(result.current.data).toEqual([
-          { id: '4' },
-          { id: '1' },
-          { id: '2' },
-          { id: '3' },
-        ]);
-      });
-    });
-    it('删除item', () => {
+  describe('添加item', () => {
+    it('基础添加', () => {
       const { result } = renderHook(() => useStore());
 
       act(() => {
-        result.current.internalUpdateData([
-          { id: '1' },
-          { id: '2' },
-          { id: '3' },
-        ]);
-        result.current.removeItem('2');
+        result.current.addItem({ id: '333' });
       });
 
-      expect(result.current.data).toEqual([{ id: '1' }, { id: '3' }]);
+      expect(result.current.data).toEqual([{ id: '333' }]);
     });
-    it('重排序item', () => {
+
+    it('携带索引的添加', () => {
       const { result } = renderHook(() => useStore());
 
       act(() => {
@@ -66,14 +30,48 @@ describe('useStore', () => {
           { id: '2' },
           { id: '3' },
         ]);
-        result.current.reorder(2, 0);
+
+        result.current.addItem({ id: '4' }, 0);
       });
 
       expect(result.current.data).toEqual([
+        { id: '4' },
+        { id: '1' },
+        { id: '2' },
         { id: '3' },
+      ]);
+    });
+  });
+  it('删除item', () => {
+    const { result } = renderHook(() => useStore());
+
+    act(() => {
+      result.current.internalUpdateData([
         { id: '1' },
         { id: '2' },
+        { id: '3' },
       ]);
+      result.current.removeItem('2');
     });
+
+    expect(result.current.data).toEqual([{ id: '1' }, { id: '3' }]);
+  });
+  it('重排序item', () => {
+    const { result } = renderHook(() => useStore());
+
+    act(() => {
+      result.current.internalUpdateData([
+        { id: '1' },
+        { id: '2' },
+        { id: '3' },
+      ]);
+      result.current.reorder(2, 0);
+    });
+
+    expect(result.current.data).toEqual([
+      { id: '3' },
+      { id: '1' },
+      { id: '2' },
+    ]);
   });
 });
diff --git a/packages/sortable-list/src/store/index.ts b/packages/sortable-list/src/store/index.ts
index 5477093c..180feefe 100644
--- a/packages/sortable-list/src/store/index.ts
+++ b/packages/sortable-list/src/store/index.ts
@@ -50,9 +50,9 @@ const createStore = () =>
         if (typeof addIndex !== 'number') {
           // 如果没有提供添加位的 index 值,默认添加在最后
           state.push(item);
+        } else {
+          state.splice(addIndex, 0, item);
         }
-
-        state.splice(addIndex, 0, item);
       });
 
       internalUpdateData(nextData);