diff --git a/src/renderers/Form/SubForm.tsx b/src/renderers/Form/SubForm.tsx
index 80c6ddcfa..4b6ca3205 100644
--- a/src/renderers/Form/SubForm.tsx
+++ b/src/renderers/Form/SubForm.tsx
@@ -146,7 +146,9 @@ export default class SubFormControl extends React.PureComponent<SubFormProps, Su
             disabled,
             labelField,
             value,
-            btnLabel
+            btnLabel,
+            render,
+            data
         } = this.props;
 
         return [
@@ -177,8 +179,15 @@ export default class SubFormControl extends React.PureComponent<SubFormProps, Su
                                   data-tooltip="编辑详情"
                                   data-position="bottom"
                               >
-                                  {(value && labelField && value[labelField] && stripTag(value[labelField])) ||
-                                      btnLabel}
+                                  {(value && labelField && value[labelField] && stripTag(value[labelField]))
+                                  || render('placeholder',
+                                      {
+                                          type: 'tpl',
+                                          tpl: btnLabel
+                                      },
+                                      {
+                                          data
+                                      })}
                               </span>
                           </div>
                       ))
@@ -199,7 +208,7 @@ export default class SubFormControl extends React.PureComponent<SubFormProps, Su
     }
 
     renderSingle() {
-        const {classPrefix: ns, btnClassName, disabled, value, labelField, btnLabel} = this.props;
+        const {classPrefix: ns, btnClassName, disabled, value, labelField, btnLabel, render, data} = this.props;
 
         return (
             <div className={`${ns}SubForm-values`} key="values">
@@ -216,7 +225,16 @@ export default class SubFormControl extends React.PureComponent<SubFormProps, Su
                     data-position="bottom"
                 >
                     <span className={`${ns}SubForm-valueLabel`}>
-                        {(value && labelField && value[labelField] && stripTag(value[labelField])) || btnLabel}
+                        {(value && labelField && value[labelField] && stripTag(value[labelField]))
+                        || render('placeholder',
+                            {
+                                type: 'tpl',
+                                tpl: btnLabel
+                            },
+                            {
+                                data
+                            }
+                        )}}
                     </span>
                 </div>
             </div>
diff --git a/src/renderers/IFrame.tsx b/src/renderers/IFrame.tsx
index 61adbb262..069085bcf 100644
--- a/src/renderers/IFrame.tsx
+++ b/src/renderers/IFrame.tsx
@@ -1,6 +1,8 @@
 import React from 'react';
 import {Renderer, RendererProps} from '../factory';
 import {filter} from '../utils/tpl';
+import {autobind} from '../utils/helper';
+import {ScopedContext, IScopedContext} from '../Scoped';
 
 export interface IFrameProps extends RendererProps {
     className?: string;
@@ -8,6 +10,7 @@ export interface IFrameProps extends RendererProps {
 }
 
 export default class IFrame extends React.Component<IFrameProps, object> {
+    IFrameRef: React.RefObject<HTMLIFrameElement> = React.createRef();
     static propsList: Array<string> = ['src', 'className'];
     static defaultProps: Partial<IFrameProps> = {
         className: '',
@@ -16,6 +19,11 @@ export default class IFrame extends React.Component<IFrameProps, object> {
         frameBorder: 0
     };
 
+    @autobind
+    reload() {
+        (this.IFrameRef.current as HTMLIFrameElement).src = (this.IFrameRef.current as HTMLIFrameElement).src;
+    }
+
     render() {
         let {className, src, width, height, frameBorder, data, style} = this.props;
 
@@ -31,6 +39,7 @@ export default class IFrame extends React.Component<IFrameProps, object> {
                 className={className}
                 frameBorder={frameBorder}
                 style={style}
+                ref={this.IFrameRef}
                 src={src ? filter(src, data) : undefined}
             />
         );
@@ -41,4 +50,16 @@ export default class IFrame extends React.Component<IFrameProps, object> {
     test: /(^|\/)iframe$/,
     name: 'iframe'
 })
-export class IFrameRenderer extends IFrame {}
+export class IFrameRenderer extends IFrame {
+    static contextType = ScopedContext;
+
+    componentWillMount() {
+        const scoped = this.context as IScopedContext;
+        scoped.registerComponent(this);
+    }
+
+    componentWillUnmount() {
+        const scoped = this.context as IScopedContext;
+        scoped.unRegisterComponent(this);
+    }
+}