diff --git a/docs/components/demos/ProArrayTableWithShadow.tsx b/docs/components/demos/ProArrayTableWithShadow.tsx
index 68e645a..770dbbc 100644
--- a/docs/components/demos/ProArrayTableWithShadow.tsx
+++ b/docs/components/demos/ProArrayTableWithShadow.tsx
@@ -53,11 +53,12 @@ const row: ISchema = {
         "x-component": "ProArrayTable.Column",
         "x-component-props": { title: "编辑", align: "center" },
         properties: {
-          _trigger: {
+          // ↓ 不填写 act 属性的话, 就读这个 modal 了 （schema.name)
+          modal: {
             type: "void",
             "x-decorator": "ProArrayTable.DelegateAction",
             "x-decorator-props": {
-              act: "modal",
+              // act: "modal", // 这里不填写的话, 就读取上面
               initLoader: (o: any) => {
                 console.log("🚀 ~ o::", o);
                 return o;
@@ -83,7 +84,7 @@ const schema: ISchema = {
       "x-component": "ProArrayTable",
       items: row.items,
       properties: {
-        // ↓ 不填写 act 属性的话, 就读这个 modal 字段
+        // ↓ 不填写 act 属性的话, 就读这个 modal 了 （schema.name)
         modal: {
           type: "void",
           "x-component": "ProArrayTable.ShadowModal",
diff --git a/src/pro-array-table/mixin.pro.tsx b/src/pro-array-table/mixin.pro.tsx
index d30bf5b..6b0b9c4 100644
--- a/src/pro-array-table/mixin.pro.tsx
+++ b/src/pro-array-table/mixin.pro.tsx
@@ -217,8 +217,8 @@ export const ArrayTableShowModal: React.FC<
 };
 
 export const DelegateAction: React.FC<{
-  /** 动作标志, 与 ShadowModal 对应  */
-  act: string;
+  /** 动作标志, 与 ShadowModal 对应, 不填写的话去 schema 的名字  */
+  act?: string;
   /** 当前列所属 index, 默认使用 ArrayBase.useIndex() 获取当前数据对应位置 */
   index?: number;
   /** 数据初始化加载器, 默认使用 field.record 当前模型所对应 record */
@@ -231,19 +231,22 @@ export const DelegateAction: React.FC<{
 }> = (props) => {
   const index = "index" in (props ?? {}) ? props.index : ArrayBase.useIndex();
   const field = useField();
+  const schema = useFieldSchema();
   const record = useRecord();
   const delegate = useContext(ArrayTableDelegateContext);
 
+  const actName = props.act ?? schema.name;
+
   useEffect(() => {
     if (!delegate.initLoader) return;
-    if (delegate.act === props.act && delegate.index === index) {
+    if (delegate.act === actName && delegate.index === index) {
       delegate.initLoader.current = props.initLoader
         ? () => props.initLoader?.(record)
         : () => record;
     }
   }, [delegate.act, delegate.index, delegate.initLoader]);
   const dataInfo = {
-    [DATE_DELEGATE_ACT_KEY]: props.act,
+    [DATE_DELEGATE_ACT_KEY]: actName,
     [DATE_DELEGATE_INDEX_KEY]: index,
   };