Update utils.py

utils.py

@@ -328,13 +328,14 @@ def change_proxy(proxy):
 def hide_middle_chars(s):
     if s is None:
         return ""
-    if len(s) <= 8:
-        return s
     else:
-        head = s[:4]
-        tail = s[-4:]
-        hidden = "*" * (len(s) - 8)
-        return head + hidden + tail
+        if len(s) <= 8:
+            return s
+        else:
+            head = s[:4]
+            tail = s[-4:]
+            hidden = "*" * (len(s) - 8)
+            return head + hidden + tail
 
 
 def submit_key(key):