add check path back

config.py

@@ -62,4 +62,4 @@ AUTHENTICATION = []
 API_URL_REDIRECT = {}
 
 # 如果你需要把网址放在二级地址下（常规情况下，不要修改！！）
-CUSTOM_PATH = "/gra"
+CUSTOM_PATH = "/"

toolbox.py

@@ -522,6 +522,25 @@ class DummyWith():
         return
 
 def run_gradio(demo, auth, port, custom_path):
+    def is_path_legal(path: str)->bool:
+        '''
+        check path for sub url
+        path: path to check
+        return value: do sub url wrap
+        '''
+        if path == "/": return True
+        if len(path) == 0:
+            print("ilegal custom path: {}\npath must not be empty\ndeploy on root url".format(path))
+            return False
+        if path[0] == '/':
+            if path[1] != '/':
+                print("deploy on sub-path {}".format(path))
+                return True
+            return False
+        print("ilegal custom path: {}\npath should begin with \'/\'\ndeploy on root url".format(path))
+        return False
+
+    if not is_path_legal(custom_path): raise RuntimeError('Ilegal custom path')
     import uvicorn
     import gradio as gr
     from fastapi import FastAPI