diff --git a/src/components/subnav/main.js b/src/components/subnav/main.js
index 5b855f68..1d7f9a37 100644
--- a/src/components/subnav/main.js
+++ b/src/components/subnav/main.js
@@ -39,6 +39,7 @@ export default class topNav extends React.Component{
     }
     //返回
     backFn(items){
+        
         this.setState({'pathname2':items[0].path});
         sessionStorage.setItem('showflag',true)
         sessionStorage.setItem('pathname2',items[0].path) 
@@ -53,6 +54,7 @@ export default class topNav extends React.Component{
     
   }
   render(){
+    let history0= window.history.length<=1;
     let routeflag=sessionStorage.getItem('showflag')
     let breaknav=JSON.parse(sessionStorage.getItem('breaknav'))
     let pathnameBreak=sessionStorage.getItem('pathname2')
@@ -62,7 +64,7 @@ export default class topNav extends React.Component{
     let sedcbreakflag=pathnamestr.includes('plan-create');   
 	let planbreakflag = pathnamestr.includes('mytempMould')
   let editbreakflag = pathnamestr.includes('edittemplate')
-  let breakchange = pathnamestr.includes('exchangecode-add')|| pathnamestr.includes('key-edit')||pathnamestr.includes('product-edit');
+  let breakchange = pathnamestr.includes('exchangecode-add')|| pathnamestr.includes('key-edit')||pathnamestr.includes('product-edit')||pathnamestr.includes('plan-edit');
   if(breakchange){
     breaknav=JSON.parse(sessionStorage.getItem('breakchangenav'))
   }
@@ -109,9 +111,12 @@ export default class topNav extends React.Component{
              breaknav.map((item,key)=>{
                 return(
                   <div className="nolinkmenu-row" key={key}>
-                   <Pop trigger="hover"  position="bottom-center" content="返回">
-                   <img  onClick={()=>this.backFn(item.items)}  src="https://lsxdemall.oss-cn-beijing.aliyuncs.com/Marketing/back.svg" alt=""/>
-    </Pop>
+                  {
+                    !history0? <Pop trigger="hover"  position="bottom-center" content="返回">
+                    <img  onClick={()=>this.backFn(item.items)}  src="https://lsxdemall.oss-cn-beijing.aliyuncs.com/Marketing/back.svg" alt=""/>
+     </Pop>:null
+                  }
+                  
                
                   <div className="nonav">
                   {