修改避雷器存在问题长度校验

railway-business/src/main/java/com/railway/business/catenary/domain/BusJcbBlq.java

@@ -140,7 +140,7 @@ public class BusJcbBlq extends BaseEntity{
     private String confirmUser;
 
     @ApiModelProperty(value = "存在问题")
-    @Length(min = 1, max = 1000, message = "【存在问题】长度必须介于 {min} 和 {max} 之间")
+    @Length(min = 0, max = 1000, message = "【存在问题】长度必须介于 {min} 和 {max} 之间")
     private String czwt;
 
     @ApiModelProperty(value = "提交状态 0未提交 1已提交 2已退回 9已确认")