diff --git a/frontend/src/components/ui/dialog.tsx b/frontend/src/components/ui/dialog.tsx
index c680b9d3..81748675 100644
--- a/frontend/src/components/ui/dialog.tsx
+++ b/frontend/src/components/ui/dialog.tsx
@@ -4,7 +4,35 @@ import { X } from "lucide-react"
 
 import { cn } from "@/lib/utils"
 
-const Dialog = DialogPrimitive.Root
+/**
+ * 修复 Radix UI Dialog 关闭后 body.style.pointerEvents 残留的问题
+ * 当 Dialog 从打开变为关闭时，自动清理 body 样式
+ */
+const Dialog: React.FC<React.ComponentPropsWithoutRef<typeof DialogPrimitive.Root>> = ({ open, onOpenChange, ...props }) => {
+  // 监听 open 状态变化，关闭时清理 body 样式
+  React.useEffect(() => {
+    if (open === false) {
+      // 延迟执行，确保在 Dialog 关闭动画之后
+      const timer = setTimeout(() => {
+        // 强制移除 body 的 pointer-events 限制
+        if (document.body.style.pointerEvents === 'none') {
+          document.body.style.pointerEvents = '';
+        }
+      }, 350); // 稍微比 Dialog 动画时间（200ms）长一点
+
+      return () => clearTimeout(timer);
+    }
+  }, [open]);
+
+  return (
+    <DialogPrimitive.Root
+      open={open}
+      onOpenChange={onOpenChange}
+      {...props}
+    />
+  );
+};
+Dialog.displayName = "Dialog"
 
 const DialogTrigger = DialogPrimitive.Trigger
 
diff --git a/frontend/src/pages/Form/Definition/components/FormBasicInfoModal.tsx b/frontend/src/pages/Form/Definition/components/FormBasicInfoModal.tsx
index 65037afe..53815598 100644
--- a/frontend/src/pages/Form/Definition/components/FormBasicInfoModal.tsx
+++ b/frontend/src/pages/Form/Definition/components/FormBasicInfoModal.tsx
@@ -47,21 +47,20 @@ const FormBasicInfoModal: React.FC<FormBasicInfoModalProps> = ({
 
   // 加载分类列表和初始化数据
   useEffect(() => {
-    if (visible) {
-      loadCategories();
-      if (mode === 'edit' && record) {
-        setFormData({
-          name: record.name,
-          key: record.key,
-          categoryId: record.categoryId,
-          description: record.description || '',
-          isTemplate: record.isTemplate || false,
-        });
-      } else if (mode === 'create') {
-        resetForm();
-      }
-    } else {
-      // 弹窗关闭时重置表单数据
+    // 只在弹窗打开时初始化数据
+    if (!visible) return;
+    
+    loadCategories();
+    
+    if (mode === 'edit' && record) {
+      setFormData({
+        name: record.name,
+        key: record.key,
+        categoryId: record.categoryId,
+        description: record.description || '',
+        isTemplate: record.isTemplate || false,
+      });
+    } else if (mode === 'create') {
       resetForm();
     }
   }, [visible, mode, record?.id]); // 只依赖 record.id 而不是整个 record 对象