diff --git a/src/forge/Main/Diff.jsx b/src/forge/Main/Diff.jsx
index 18eda5f2..c10cb81a 100644
--- a/src/forge/Main/Diff.jsx
+++ b/src/forge/Main/Diff.jsx
@@ -50,7 +50,6 @@ export default ({ match , history }) => {
         });
     }
   }, [projectsId , owner, sha]);
-
   return (
     <div className="main">
       <Spin spinning={isSpin}>
@@ -60,7 +59,7 @@ export default ({ match , history }) => {
               {commit && commit.message &&
                 <pre className="task-hide" style={{marginBottom:"0px",height:"28px",whiteSpace:"pre-wrap"}}>{commit.message}</pre>
               }
-              <Button type="primary" onClick={()=>{history.push(`/projects/${owner}/${projectsId}?${sha && `branch=${truncateCommitId(sha)}`}`)}} className="ml30">浏览代码</Button>
+              <Button type="primary" onClick={()=>{history.push(`/projects/${owner}/${projectsId}?branch=${truncateCommitId(sha)}`)}} className="ml30">浏览代码</Button>
             </div>
           </div>
           <div className="f-wrap-between" style={{ alignItems: "center" }}>
diff --git a/src/forge/common/util.js b/src/forge/common/util.js
index 86a0a911..4f8f0bf3 100644
--- a/src/forge/common/util.js
+++ b/src/forge/common/util.js
@@ -3,6 +3,6 @@ export function truncateCommitId(str) {
   if (str && str.length > 11) {
     return str.substring(0, 10)
   }else{
-    return undefined
+    return str
   }
 }