Update app.py

app.py

@@ -22,7 +22,7 @@ def chrome(url:str=None,wait:int=5,header:str=None,cookie:str=None):
         return {"code": 500,"msg":"No target URL"}
 
     # 等待时间必须在 0 到 30 之间
-    if wait_time in range(0, 31):
+    if wait in range(0, 31):
         wait_time = wait
     else:
         return {"code": 500,"msg":"The waiting time must be between 0 and 30"}