diff --git a/src/main/java/com/youlai/system/model/entity/GenFieldConfig.java b/src/main/java/com/youlai/system/model/entity/GenFieldConfig.java
index 93e1b2e1..75a3d542 100644
--- a/src/main/java/com/youlai/system/model/entity/GenFieldConfig.java
+++ b/src/main/java/com/youlai/system/model/entity/GenFieldConfig.java
@@ -40,7 +40,7 @@ public class GenFieldConfig extends BaseEntity {
     /**
      * 字段长度
      */
-    private String columnLength;
+    private Integer maxLength;
 
     /**
      * 字段名称
diff --git a/src/main/java/com/youlai/system/model/form/GenConfigForm.java b/src/main/java/com/youlai/system/model/form/GenConfigForm.java
index b761005d..98bd07bf 100644
--- a/src/main/java/com/youlai/system/model/form/GenConfigForm.java
+++ b/src/main/java/com/youlai/system/model/form/GenConfigForm.java
@@ -75,6 +75,9 @@ public class GenConfigForm {
         @Schema(description = "是否必填")
         private Integer isRequired;
 
+        @Schema(description = "最大长度")
+        private Integer maxLength;
+
         @Schema(description = "表单类型")
         private FormTypeEnum formType;
 
diff --git a/src/main/resources/templates/generator/form.java.vm b/src/main/resources/templates/generator/form.java.vm
index aa4767f0..1787e941 100644
--- a/src/main/resources/templates/generator/form.java.vm
+++ b/src/main/resources/templates/generator/form.java.vm
@@ -33,6 +33,9 @@ public class ${entityName}Form implements Serializable {
 #if($fieldConfigs)
     #foreach($fieldConfig in ${fieldConfigs})
         #if($fieldConfig.isShowInForm)
+            #if("$!fieldConfig.fieldComment" != "")
+    @Schema(description = "${fieldConfig.fieldComment}")
+            #end
             #if($fieldConfig.isRequired)
                 #if($fieldConfig.fieldType == 'String')
     @NotBlank(message = "$fieldConfig.fieldComment不能为空")
@@ -40,10 +43,11 @@ public class ${entityName}Form implements Serializable {
     @NotNull(message = "$fieldConfig.fieldComment不能为空")
                 #end
             #end
-            #if("$!fieldConfig.fieldComment" != "")
-    @Schema(description = "${fieldConfig.fieldComment}")
-            #end
+    #if($fieldConfig.maxLength)
+    @Size(max=$fieldConfig.maxLength, message="$fieldConfig.fieldComment长度不能超过${fieldConfig.maxLength}个字符")
+    #end
     private ${fieldConfig.fieldType} ${fieldConfig.fieldName};
+
         #end
     #end
 #end