diff --git a/jero-boot/db/蔚来标准sql/first_bug_fix_record.sql b/jero-boot/db/蔚来标准sql/first_bug_fix_record.sql
index 598e071d8..0d1442d87 100644
--- a/jero-boot/db/蔚来标准sql/first_bug_fix_record.sql
+++ b/jero-boot/db/蔚来标准sql/first_bug_fix_record.sql
@@ -54,6 +54,10 @@ ADD COLUMN `initiator` varchar(255) NULL COMMENT '发起人' AFTER `document_id`
 ALTER TABLE `project_laws_inventory_log`
 MODIFY COLUMN `log_content` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL COMMENT 'log内容' AFTER `project_library_id`;
 
--- 2022-08-04 修改字段类型  生产环境已同步
+-- 2022-08-04 修改字段长度  生产环境已同步
 ALTER TABLE `dummy_inventory_info`
 MODIFY COLUMN `subtitle` varchar(300) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '子标题' AFTER `wvta_id`;
+
+-- 2022-08-22 修改字段长度  生产环境未同步
+ALTER TABLE `project_laws_inventory`
+MODIFY COLUMN `subtitle` varchar(300) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '子标题' AFTER `title`;
diff --git a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLawsInventoryEOServiceImpl.java b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLawsInventoryEOServiceImpl.java
index 3298378dc..1fc6db413 100644
--- a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLawsInventoryEOServiceImpl.java
+++ b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLawsInventoryEOServiceImpl.java
@@ -4580,12 +4580,12 @@ public class ProjectLawsInventoryEOServiceImpl extends ServiceImpl<ProjectLawsIn
 
 			//子标题
 			if(StringUtils.isNotBlank(subtitle)){
-				if(subtitle.length() > 100){
+				if(subtitle.length() > 300){
 					String message = "";
 					if(CutEnum.CN.getValue().equals(projectLawsInventoryEOTemp.getCut())){
-						message = errorMsg + "子标题不能超过100个字符, ";
+						message = errorMsg + "子标题不能超过300个字符, ";
 					}else{
-						message = errorMsg + " Subheadings cannot be checked more than 100 characters, ";
+						message = errorMsg + " Subheadings cannot be checked more than 300 characters, ";
 					}
 					msgList.add(message);
 				}