diff --git a/system/system-service-api/src/main/java/cn/iocoder/mall/admin/api/dto/admin/AdminAddDTO.java b/system/system-service-api/src/main/java/cn/iocoder/mall/admin/api/dto/admin/AdminAddDTO.java
index 6d07ddb39..79ed25335 100644
--- a/system/system-service-api/src/main/java/cn/iocoder/mall/admin/api/dto/admin/AdminAddDTO.java
+++ b/system/system-service-api/src/main/java/cn/iocoder/mall/admin/api/dto/admin/AdminAddDTO.java
@@ -28,7 +28,7 @@ public class AdminAddDTO implements Serializable {
 
     @ApiModelProperty(value = "密码", required = true, example = "buzhidao")
     @NotEmpty(message = "密码不能为空")
-    @Length(min = 6, max = 16, message = "密码长度为 6-16 位")
+    @Length(min = 4, max = 16, message = "密码长度为 4-16 位")
     private String password;
 
 }
diff --git a/system/system-service-api/src/main/java/cn/iocoder/mall/admin/api/dto/admin/AdminAuthenticationDTO.java b/system/system-service-api/src/main/java/cn/iocoder/mall/admin/api/dto/admin/AdminAuthenticationDTO.java
index f20c9cb2e..ab607dc13 100644
--- a/system/system-service-api/src/main/java/cn/iocoder/mall/admin/api/dto/admin/AdminAuthenticationDTO.java
+++ b/system/system-service-api/src/main/java/cn/iocoder/mall/admin/api/dto/admin/AdminAuthenticationDTO.java
@@ -22,7 +22,7 @@ public class AdminAuthenticationDTO {
 
     @ApiModelProperty(value = "密码", required = true, example = "buzhidao")
     @NotEmpty(message = "密码不能为空")
-    @Length(min = 6, max = 16, message = "密码长度为 6-16 位")
+    @Length(min = 4, max = 16, message = "密码长度为 4-16 位")
     private String password;
 
 }
diff --git a/system/system-service-api/src/main/java/cn/iocoder/mall/admin/api/dto/admin/AdminUpdateDTO.java b/system/system-service-api/src/main/java/cn/iocoder/mall/admin/api/dto/admin/AdminUpdateDTO.java
index f6b189632..5fac82467 100644
--- a/system/system-service-api/src/main/java/cn/iocoder/mall/admin/api/dto/admin/AdminUpdateDTO.java
+++ b/system/system-service-api/src/main/java/cn/iocoder/mall/admin/api/dto/admin/AdminUpdateDTO.java
@@ -32,7 +32,7 @@ public class AdminUpdateDTO implements Serializable {
     private String nickname;
 
     @ApiModelProperty(value = "密码", example = "buzhidao")
-    @Length(min = 6, max = 16, message = "密码长度为 6-16 位")
+    @Length(min = 4, max = 16, message = "密码长度为 4-16 位")
     private String password;
 
 }