edit

admin/page/site.py

@@ -53,6 +53,10 @@ class site_update_path(Load):
 		id = self.input('id')
 		if not id:
 			self.getAppId()
+		else:
+			info = self.service('common').one('site', id=id)
+			if not info['appid']:
+				self.getAppId()
 		self.update('site')
 	@Web.auth
 	@Web.setting