change home class limit 3->6

app/service/course/v5/institution.js

@@ -539,19 +539,19 @@ class InstitutionSubService extends Service {
 
 
     // 精品课
-    classList = await ctx.classModel.V5.CourseV5Class.findAll({ where: { id: { $in: classIds }, price_type: 3, status: 1, is_deleted: 0 }, attributes, order: [[ 'sort', 'asc' ], [ 'id', 'desc' ]], offset: 0, limit: 3, raw: true });
+    classList = await ctx.classModel.V5.CourseV5Class.findAll({ where: { id: { $in: classIds }, price_type: 3, status: 1, is_deleted: 0 }, attributes, order: [[ 'sort', 'asc' ], [ 'id', 'desc' ]], offset: 0, limit: 6, raw: true });
     classList = await this.formatClassList(classList);
     for (const i in classList) {
       classList[i].institution_icon = '';
     }
     results.push({
       title: '精品课',
-      value: 3,
+      value: 6,
       class: classList,
     });
 
     // 低价课
-    classList = await ctx.classModel.V5.CourseV5Class.findAll({ where: { id: { $in: classIds }, price_type: 2, status: 1, is_deleted: 0 }, attributes, order: [[ 'sort', 'asc' ], [ 'id', 'desc' ]], offset: 0, limit: 3, raw: true });
+    classList = await ctx.classModel.V5.CourseV5Class.findAll({ where: { id: { $in: classIds }, price_type: 2, status: 1, is_deleted: 0 }, attributes, order: [[ 'sort', 'asc' ], [ 'id', 'desc' ]], offset: 0, limit: 6, raw: true });
     classList = await this.formatClassList(classList);
     for (const i in classList) {
       classList[i].institution_icon = '';
@@ -563,7 +563,7 @@ class InstitutionSubService extends Service {
     });
 
     // 体验课
-    classList = await ctx.classModel.V5.CourseV5Class.findAll({ where: { id: { $in: classIds }, price_type: 1, status: 1, is_deleted: 0 }, attributes, order: [[ 'sort', 'asc' ], [ 'id', 'desc' ]], offset: 0, limit: 3, raw: true });
+    classList = await ctx.classModel.V5.CourseV5Class.findAll({ where: { id: { $in: classIds }, price_type: 1, status: 1, is_deleted: 0 }, attributes, order: [[ 'sort', 'asc' ], [ 'id', 'desc' ]], offset: 0, limit: 6, raw: true });
     classList = await this.formatClassList(classList);
     for (const i in classList) {
       classList[i].institution_icon = '';