fix: open the afterSendSingleMsg config

deployments/templates/openim.yaml

@@ -315,7 +315,7 @@ iosPush:
 # Timeout in seconds
 # Whether to continue execution if callback fails
 callback:
-  url: ""
+  url: "http://127.0.0.1:10008/callbackExample"
   beforeSendSingleMsg:
     enable: ${CALLBACK_ENABLE}
     timeout: ${CALLBACK_TIMEOUT}
@@ -329,7 +329,7 @@ callback:
     timeout: ${CALLBACK_TIMEOUT}
     failedContinue: ${CALLBACK_FAILED_CONTINUE}
   afterSendSingleMsg:
-    enable: ${CALLBACK_ENABLE}
+    enable: true
     timeout: ${CALLBACK_TIMEOUT}
     failedContinue: ${CALLBACK_FAILED_CONTINUE}
   beforeSendGroupMsg: