diff --git a/app/views/users/_user.json.jbuilder b/app/views/users/_user.json.jbuilder
index 4fb05b7ba..581072072 100644
--- a/app/views/users/_user.json.jbuilder
+++ b/app/views/users/_user.json.jbuilder
@@ -4,5 +4,5 @@ json.name user.full_name
 json.grade user.grade
 json.identity user&.user_extension&.identity
 # json.email user.mail # 邮箱原则上不暴露的，如果实在需要的话只能对某些具体的接口公开
-json.image_url image_tag(url_to_avatar(user))
+json.image_url url_to_avatar(user)
 json.school user.school_name
\ No newline at end of file
diff --git a/app/views/users/homepage_info.json.jbuilder b/app/views/users/homepage_info.json.jbuilder
index 78e0e1d7b..112bd215c 100644
--- a/app/views/users/homepage_info.json.jbuilder
+++ b/app/views/users/homepage_info.json.jbuilder
@@ -1,6 +1,6 @@
 json.id @user.id
 json.name @user.full_name
-json.avatar_url image_tag("/" + url_to_avatar(@user))
+json.avatar_url url_to_avatar(@user)
 json.is_logged_user @user.logged_user?
 json.experience @user.experience
 json.grade @user.grade