diff --git a/app/api/v1/api.py b/app/api/v1/api.py
index da104ac..550f0ad 100644
--- a/app/api/v1/api.py
+++ b/app/api/v1/api.py
@@ -22,7 +22,7 @@ def wechat_login(files_data):
     f = files_data['image']
     try:
         result = rpc.storage.upload(file_name='avatar_' + str(session['user_id']),
-                                    file_binary=f.stream,
+                                    file_binary=f.read(),
                                     bucket='bodyrecord',
                                     folder='avatar',
                                     app='bodyrecord')