diff --git a/packages/core/client/src/block-provider/BlockProvider.tsx b/packages/core/client/src/block-provider/BlockProvider.tsx
index f1ed19a2e0..95a8b2193a 100644
--- a/packages/core/client/src/block-provider/BlockProvider.tsx
+++ b/packages/core/client/src/block-provider/BlockProvider.tsx
@@ -301,14 +301,18 @@ export const BlockProvider = (props: {
 }) => {
   const { collection, association, name } = props;
   const resource = useResource(props);
-  const params = useMemo(() => ({ ...props.params }), [props.params]);
   const { appends, updateAssociationValues } = useAssociationNames();
+  const params = useMemo(() => {
+    if (!props.params) {
+      return props.params;
+    }
+    if (!props.params['appends']) {
+      return { ...props.params, appends };
+    }
+    return { ...props.params };
+  }, [appends, props.params]);
   const blockValue = useMemo(() => ({ name }), [name]);
 
-  if (!Object.keys(params).includes('appends')) {
-    params['appends'] = appends;
-  }
-
   return (
     <BlockContext.Provider value={blockValue}>
       <MaybeCollectionProvider collection={collection}>
diff --git a/packages/core/client/src/block-provider/hooks/index.ts b/packages/core/client/src/block-provider/hooks/index.ts
index 3ef2ec37c8..eda790bf0e 100644
--- a/packages/core/client/src/block-provider/hooks/index.ts
+++ b/packages/core/client/src/block-provider/hooks/index.ts
@@ -1278,10 +1278,10 @@ export const useAssociationNames = () => {
   const getAssociationAppends = (schema, str) => {
     schema.reduceProperties((pre, s) => {
       const prefix = pre || str;
-      const collectionfield = s['x-collection-field'] && getCollectionJoinField(s['x-collection-field']);
+      const collectionField = s['x-collection-field'] && getCollectionJoinField(s['x-collection-field']);
       const isAssociationSubfield = s.name.includes('.');
       const isAssociationField =
-        collectionfield && ['hasOne', 'hasMany', 'belongsTo', 'belongsToMany'].includes(collectionfield.type);
+        collectionField && ['hasOne', 'hasMany', 'belongsTo', 'belongsToMany'].includes(collectionField.type);
 
       // 根据联动规则中条件的字段获取一些 appends
       if (s['x-linkage-rules']) {
@@ -1301,8 +1301,8 @@ export const useAssociationNames = () => {
         });
       }
 
-      const isTreeCollection = isAssociationField && getCollection(collectionfield.target)?.template === 'tree';
-      if (collectionfield && (isAssociationField || isAssociationSubfield) && s['x-component'] !== 'TableField') {
+      const isTreeCollection = isAssociationField && getCollection(collectionField.target)?.template === 'tree';
+      if (collectionField && (isAssociationField || isAssociationSubfield) && s['x-component'] !== 'TableField') {
         const fieldPath = !isAssociationField && isAssociationSubfield ? getAssociationPath(s.name) : s.name;
         const path = prefix === '' || !prefix ? fieldPath : prefix + '.' + fieldPath;
         if (isTreeCollection) {
diff --git a/packages/core/client/src/variables/VariablesProvider.tsx b/packages/core/client/src/variables/VariablesProvider.tsx
index 3b7d51d256..0dda9362a1 100644
--- a/packages/core/client/src/variables/VariablesProvider.tsx
+++ b/packages/core/client/src/variables/VariablesProvider.tsx
@@ -287,5 +287,11 @@ export default VariablesProvider;
  * @returns
  */
 function shouldToRequest(value) {
+  // fix https://nocobase.height.app/T-2502
+  // 兼容对多子表单子表格字段的情况
+  if (JSON.stringify(value) === '[{}]') {
+    return true;
+  }
+
   return value === undefined;
 }