diff --git a/doc/tduck.sql b/doc/tduck.sql
index 2c40b4c..85c60bb 100644
--- a/doc/tduck.sql
+++ b/doc/tduck.sql
@@ -103,6 +103,7 @@ CREATE TABLE `pr_project_template_item`  (
   `required` tinyint(1) NOT NULL COMMENT '是否必填',
   `placeholder` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '输入型提示文字',
   `sort` bigint(20) NULL DEFAULT 0 COMMENT '排序',
+  `span` int(10) NOT NULL DEFAULT '24' COMMENT '栅格宽度',
   `expand` json NULL COMMENT '扩展字段 表单项独有字段',
   `reg_list` json NULL COMMENT '正则表达式 ',
   `update_time` datetime(0) NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '更新时间',
diff --git a/tduck-project/src/main/java/com/tduck/cloud/project/entity/ProjectTemplateItemEntity.java b/tduck-project/src/main/java/com/tduck/cloud/project/entity/ProjectTemplateItemEntity.java
index 21920af..61bc45c 100644
--- a/tduck-project/src/main/java/com/tduck/cloud/project/entity/ProjectTemplateItemEntity.java
+++ b/tduck-project/src/main/java/com/tduck/cloud/project/entity/ProjectTemplateItemEntity.java
@@ -61,6 +61,12 @@ public class ProjectTemplateItemEntity extends BaseEntity<ProjectTemplateItemEnt
      * 输入型提示文字
      */
     private String placeholder;
+
+
+    /**
+     * 栅格宽度
+     */
+    private Integer span;
     /**
      * 排序
      */