fix: change the callback url

deployments/templates/openim.yaml

@@ -315,7 +315,7 @@ iosPush:
 # Timeout in seconds
 # Whether to continue execution if callback fails
 callback:
-  url: "http://127.0.0.1:10002/msg"
+  url: "http://127.0.0.1:10002/callbackExample/callbackBeforeSendSingleMsgCommand"
   beforeSendSingleMsg:
     enable: true
     timeout: ${CALLBACK_TIMEOUT}