diff --git a/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/annotation/SimpleFieldFormat.java b/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/annotation/SimpleFieldFormat.java
index 8cda5c53b..6f4e12da6 100644
--- a/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/annotation/SimpleFieldFormat.java
+++ b/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/annotation/SimpleFieldFormat.java
@@ -37,7 +37,7 @@ import java.lang.annotation.*;
  */
 @Inherited
 @Retention(RetentionPolicy.RUNTIME)
-@Target({ElementType.FIELD})
+@Target({ElementType.FIELD, ElementType.METHOD})
 public @interface SimpleFieldFormat {
 
     /**