优化首页显示（修改周推小说数量）

novel-front/src/main/java/com/java2nb/novel/core/utils/Constants.java

@@ -29,7 +29,7 @@ public class Constants {
     /**
      * 首页设置的小说数量
      * */
-    public static final int INDEX_BOOK_SETTING_NUM = 32;
+    public static final int INDEX_BOOK_SETTING_NUM = 31;
 
     /**
      * 累积的最大点击量

novel-front/src/main/java/com/java2nb/novel/service/impl/BookServiceImpl.java

@@ -126,9 +126,9 @@ public class BookServiceImpl implements BookService {
                     type = 0;
                 } else if (i < 14) {
                     type = 1;
-                } else if (i < 20) {
+                } else if (i < 19) {
                     type = 2;
-                } else if (i < 26) {
+                } else if (i < 25) {
                     type = 3;
                 } else {
                     type = 4;