fix readtype

pcloud-service-book/src/main/java/com/pcloud/book/custom/check/CustomCheck.java

@@ -42,7 +42,7 @@ public class CustomCheck {
                 throw new BookBizException(BookBizException.PARAM_IS_ERROR, "bookid不能为空！");
             }
             if (null == customTimeControlBook.getReadType()){
-                throw new BookBizException(BookBizException.PARAM_IS_ERROR, "readType不能为空！");
+                throw new BookBizException(BookBizException.PARAM_IS_ERROR, "阅读类型不能为空！");
             }
         }
     }