diff --git a/src/main/java/org/ccalm/jwt/SpringContext.java b/src/main/java/org/ccalm/jwt/SpringContext.java
index b587331..f83141f 100644
--- a/src/main/java/org/ccalm/jwt/SpringContext.java
+++ b/src/main/java/org/ccalm/jwt/SpringContext.java
@@ -1,16 +1,20 @@
 package org.ccalm.jwt;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
 import org.springframework.stereotype.Component;
 
 @Component
 public class SpringContext implements ApplicationContextAware {
+    private static final Logger logger = LoggerFactory.getLogger(SpringContext.class);
     private static ApplicationContext context;
 
     @Override
     public void setApplicationContext(ApplicationContext applicationContext) {
         context = applicationContext;
+        logger.warn("App is start");
     }
 
     public static ApplicationContext getApplicationContext() {