diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/entity/SysDictType.java b/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/entity/SysDictType.java
index 6683c919..027c6e95 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/entity/SysDictType.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/entity/SysDictType.java
@@ -1,5 +1,6 @@
 package com.ruoyi.common.core.domain.entity;
 
+import javax.validation.constraints.Pattern;
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.Size;
 import org.apache.commons.lang3.builder.ToStringBuilder;
@@ -26,6 +27,9 @@ public class SysDictType extends BaseEntity
     private String dictName;
 
     /** 字典类型 */
+    @NotBlank(message = "字典类型不能为空")
+    @Pattern(regexp = "^[a-z][a-z0-9_]*$", message = "字典类型必须以字母开头,且字典类型只能由小写字母或加下划线还有数字组成")
+    @Size(min = 2, max = 200, message = "字典类型长度必须在2-200个字符之间")
     @Excel(name = "字典类型")
     private String dictType;