diff --git a/src/forge/Main/tree/Index.jsx b/src/forge/Main/tree/Index.jsx
index b8d3ef625..d38b48bb2 100644
--- a/src/forge/Main/tree/Index.jsx
+++ b/src/forge/Main/tree/Index.jsx
@@ -64,9 +64,12 @@ function Index(props) {
                               <Link to={`/${owner}/${projectsId}/tree/${turnbar(i.name)}`} className="task-hide">{i.name}</Link>
                               <div>
                                 {
-                                  <Link to={`/${last_commit && last_commit.committer && last_commit.committer.login}`}>
-                                    <img style={{borderRadius:"50%"}} src={getImageUrl(`/${last_commit && last_commit.committer && last_commit.committer.image_url}`)} alt=""/>
+                                  last_commit && last_commit.committer && last_commit.committer.id?
+                                  <Link to={`/${ last_commit.committer.login}`}>
+                                    <img style={{borderRadius:"50%"}} src={getImageUrl(`/${ last_commit.committer.image_url}`)} alt=""/>
                                   </Link>
+                                  :
+                                  <img style={{borderRadius:"50%"}} src={getImageUrl(`/${ last_commit.committer.image_url}`)} alt=""/>
                                 }
                                 <span className="mr3 color-grey-3" style={{fontWeight:"500"}}>{last_commit && last_commit.committer && last_commit.committer.name}</span>
                                 <span className="color-grey-3">更新于{last_commit && last_commit.time_from_now}</span>