diff --git a/jero-boot/jero-boot-base/jero-boot-base-tools/src/main/java/com/jero/common/util/SpringContextHolder.java b/jero-boot/jero-boot-base/jero-boot-base-tools/src/main/java/com/jero/common/util/SpringContextHolder.java
index 2b5e7637..9176984a 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-tools/src/main/java/com/jero/common/util/SpringContextHolder.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-tools/src/main/java/com/jero/common/util/SpringContextHolder.java
@@ -20,8 +20,12 @@ public class SpringContextHolder implements ApplicationContextAware {
      */
     @Override
     public void setApplicationContext(ApplicationContext applicationContext) {
-        // NOSONAR
-        SpringContextHolder.applicationContext = applicationContext;
+        synchronized (SpringContextHolder.class){
+            if(SpringContextHolder.applicationContext == null){
+                // NOSONAR
+                SpringContextHolder.applicationContext = applicationContext;
+            }
+        }
     }
 
     /**
@@ -78,4 +82,4 @@ public class SpringContextHolder implements ApplicationContextAware {
         }
     }
 
-}
\ No newline at end of file
+}