diff --git a/lib/agent.js b/lib/agent.js
index ee50a4087c..26d600cc60 100644
--- a/lib/agent.js
+++ b/lib/agent.js
@@ -61,7 +61,9 @@ class Agent extends EggApplication {
     function wrapMethod(methodName, messenger, logger) {
       const originMethod = messenger[methodName];
       messenger[methodName] = function() {
-        logger.warn('agent can\'t call %s before server started', methodName);
+        const stack = new Error().stack.split('\n').slice(1).join('\n');
+        logger.warn('agent can\'t call %s before server started\n%s',
+          methodName, stack);
         originMethod.apply(this, arguments);
       };
       messenger.once('egg-ready', () => {