diff --git a/frontend/src/pages/Workflow/NodeDesign/Design.tsx b/frontend/src/pages/Workflow/NodeDesign/Design.tsx
index 8bb83ff8..aa641e92 100644
--- a/frontend/src/pages/Workflow/NodeDesign/Design.tsx
+++ b/frontend/src/pages/Workflow/NodeDesign/Design.tsx
@@ -65,7 +65,8 @@ const FormRenderer: React.FC<{
     schema: any;
     path?: string;
     readOnly?: boolean;
-}> = ({schema, path = '', readOnly = false}) => {
+    currentTab?: any;
+}> = ({schema, path = '', readOnly = false, currentTab}) => {
     if (!schema || !schema.properties) return null;
     const renderPortConfig = (portSchema: any, portPath: string) => {
         if (!portSchema || !portSchema.properties) return null;
@@ -85,6 +86,12 @@ const FormRenderer: React.FC<{
                     required={portSchema.required?.includes('position')}
                     initialValue={'default' in position ? position.default : undefined}
                     style={{marginBottom: 16}}
+                    rules={[
+                        {
+                            required: portSchema.required?.includes('position'),
+                            message: `请${position.type === 'string' ? '输入' : '选择'}${position.title}`
+                        }
+                    ]}
                 >
                     {readOnly ? (
                         <span style={{color: '#666'}}>{position.default || '-'}</span>
@@ -112,6 +119,7 @@ const FormRenderer: React.FC<{
                             schema={attrs}
                             path={`${portPath}.attrs`}
                             readOnly={readOnly}
+                            currentTab={currentTab}
                         />
                     </Card>
                 )}
@@ -192,6 +200,7 @@ const FormRenderer: React.FC<{
                                 schema={value}
                                 path={fieldPath}
                                 readOnly={readOnly}
+                                currentTab={currentTab}
                             />
                         </Card>
                     );
@@ -207,9 +216,15 @@ const FormRenderer: React.FC<{
                             </span>
                         }
                         tooltip={value.description}
-                        required={schema.required?.includes(key)}
+                        required={currentTab?.schemaKey === 'uiVariables' && schema.required?.includes(key)}
                         initialValue={'default' in value ? value.default : undefined}
                         style={{marginBottom: 16}}
+                        rules={currentTab?.schemaKey === 'uiVariables' ? [
+                            {
+                                required: schema.required?.includes(key),
+                                message: `请${value.type === 'string' ? '输入' : '选择'}${value.title}`
+                            }
+                        ] : undefined}
                     >
                         {readOnly ? (
                             <span style={{color: '#666'}}>{value.default || '-'}</span>
@@ -638,6 +653,7 @@ const NodeDesignForm: React.FC = () => {
                                         <FormRenderer
                                             schema={getCurrentSchema()}
                                             readOnly={tab.readonly}
+                                            currentTab={tab}
                                         />
                                     </div>
                                 ) : null