fix config大小限制

zhongzheng-system/src/main/java/com/zhongzheng/modules/system/domain/SysConfig.java

@@ -56,7 +56,6 @@ public class SysConfig implements Serializable {
     @Excel(name = "参数键值")
     @TableField(updateStrategy = FieldStrategy.IGNORED)
  //   @NotBlank(message = "参数键值不能为空")
-    @Size(min = 0, max = 500, message = "参数键值长度不能超过500个字符")
     private String configValue;
 
     /**