diff --git a/cash-common/cash-common-service/src/main/java/com/czg/market/dto/MkDrainageConfigDTO.java b/cash-common/cash-common-service/src/main/java/com/czg/market/dto/MkDrainageConfigDTO.java
index 6c5f5224..b85e496d 100644
--- a/cash-common/cash-common-service/src/main/java/com/czg/market/dto/MkDrainageConfigDTO.java
+++ b/cash-common/cash-common-service/src/main/java/com/czg/market/dto/MkDrainageConfigDTO.java
@@ -5,6 +5,7 @@ import com.mybatisflex.annotation.Id;
 import com.mybatisflex.annotation.KeyType;
 import jakarta.validation.constraints.Max;
 import lombok.Data;
+import org.hibernate.validator.constraints.Length;
 
 import java.io.Serial;
 import java.io.Serializable;
@@ -35,7 +36,7 @@ public class MkDrainageConfigDTO  implements Serializable {
     /**
      * 内容
      */
-    @Max(value = 50, message = "内容最大长度为50")
+    @Length(max = 50, message = "内容最大长度为50")
     private String content;
 
     /**