diff --git a/jumpserver/templatetags/mytags.py b/jumpserver/templatetags/mytags.py
index b7d7fde93..cca4deba3 100644
--- a/jumpserver/templatetags/mytags.py
+++ b/jumpserver/templatetags/mytags.py
@@ -237,7 +237,7 @@ def key_exist(username):
     """
     ssh key is exist or not
     """
-    if os.path.isfile(os.path.join(KEY_DIR, 'user', username)):
+    if os.path.isfile(os.path.join(KEY_DIR, 'user', username+'pem')):
         return True
     else:
         return False
diff --git a/juser/views.py b/juser/views.py
index 12febbf7e..3f75c46b8 100644
--- a/juser/views.py
+++ b/juser/views.py
@@ -458,15 +458,13 @@ def regen_ssh_key(request):
 
 @require_role(role='user')
 def down_key(request):
-    user_id = ''
     if is_role_request(request, 'super'):
-        user_id = request.GET.get('id')
+        uuid_r = request.GET.get('uuid', '')
+    else:
+        uuid_r = request.user.uuid
 
-    if is_role_request(request, 'user'):
-        user_id = request.user.id
-
-    if user_id:
-        user = get_object(User, id=user_id)
+    if uuid_r:
+        user = get_object(User, uuid=uuid_r)
         if user:
             username = user.username
             private_key_file = os.path.join(KEY_DIR, 'user', username)
diff --git a/templates/juser/user_list.html b/templates/juser/user_list.html
index e2f992409..01a62ccff 100644
--- a/templates/juser/user_list.html
+++ b/templates/juser/user_list.html
@@ -68,7 +68,7 @@
                                 <td class="text-center">{{ user.is_active | bool2str }}</td>
                                 <td class="text-center">
                                     {% if user.username|key_exist %}
-                                        <a  href="/juser/down_key/?id={{ user.id }}" >下载</a>
+                                        <a  href="/juser/down_key/?uuid={{ user.uuid }}" >下载</a>
                                     {% else %}
                                         <span style="color: #586b7d">下载</span>
                                     {% endif %}