Update api.py

api.py

@@ -205,6 +205,7 @@ def zero_pad(s, length):
 #如果默认的cover不能过审,那么随机选取无水印的manga1下面的随便一个作为cover重新上传
 @app.get("/upload_again")
 async def upload_again(bili_meta_data):
+    bili_meta_data = json.loads(bili_meta_data)
     meta = bili_meta_data
     credential = Credential(sessdata=sessdata,
                             bili_jct=bili_jct,