diff --git a/src/main/java/org/applesline/desensitize/config/AutoDesensitizeConfiguration.java b/src/main/java/org/applesline/desensitize/config/AutoDesensitizeConfiguration.java
index c266930..eaa61c8 100644
--- a/src/main/java/org/applesline/desensitize/config/AutoDesensitizeConfiguration.java
+++ b/src/main/java/org/applesline/desensitize/config/AutoDesensitizeConfiguration.java
@@ -4,6 +4,8 @@ import org.applesline.desensitize.aop.DesensitizeAdvice;
 import org.applesline.desensitize.executor.DesensitizeExecutor;
 import org.applesline.desensitize.executor.JsonPathDesensitizeExecutor;
 import org.applesline.desensitize.handle.DesensitizeHandlerSelector;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingClass;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
@@ -15,11 +17,13 @@ import org.springframework.context.annotation.Configuration;
 public class AutoDesensitizeConfiguration {
 
     @Bean
+    @ConditionalOnMissingBean(DesensitizeHandlerSelector.class)
     public DesensitizeHandlerSelector maskHandlerSelector() {
         return new DesensitizeHandlerSelector();
     }
 
     @Bean
+    @ConditionalOnMissingBean(DesensitizeExecutor.class)
     public DesensitizeExecutor maskSensitiveExecutor(DesensitizeHandlerSelector desensitizeHandlerSelector) {
         return new JsonPathDesensitizeExecutor(desensitizeHandlerSelector);
     }