fix bug

sop-business/src/main/java/com/qmth/sop/business/entity/SysLevel.java

@@ -32,7 +32,7 @@ public class SysLevel implements Serializable {
     private String level;
 
     @ApiModelProperty(value = "类型，OFFICE：教务处，CLOUD_MARK：云阅卷")
-    @NotBlank(message = "s类型不能为空")
+    @NotNull(message = "s类型不能为空")
     private ProductTypeEnum type;
 
     @ApiModelProperty(value = "是否启用，0：停用，1：启用")