课程相关修复一些细节问题

snowy-plugin/snowy-plugin-disk/snowy-plugin-disk-func/src/main/java/vip/xiaonuo/disk/controller/CourseChapterController.java

@@ -261,13 +261,13 @@ public class CourseChapterController {
     }
 
     /**
-     * 课程章中心-全量列表（学生端）
+     * 课程中心-章节全量列表（学生端）
      *
      * @author pans
      * @date  2025/07/02 15:34
      */
     @ApiOperationSupport(order = 1)
-    @ApiOperation("课程章中心-全量列表（学生端）")
+    @ApiOperation("课程中心-章节全量列表（学生端）")
     @SaCheckPermission("/disk/coursecentry/coursechapterList")
     @GetMapping("/disk/coursecentry/coursechapterList")
     public CommonResult<List<Map<String,Object>>> coursechapterList(ChapterPageParam chapterPageParam, HttpServletRequest req) {

snowy-plugin/snowy-plugin-disk/snowy-plugin-disk-func/src/main/java/vip/xiaonuo/disk/controller/CourseInfoController.java

@@ -77,7 +77,9 @@ public class CourseInfoController {
         param.put("majorId", req.getParameter("majorId"));
         param.put("courseType", req.getParameter("courseType"));
         //排序类型，0最新，1热门
-        param.put("sortflag", req.getParameter("sortflag"));
+        String sortflag="0";
+        if(StringUtils.isNotEmpty(req.getParameter("sortflag")))sortflag=req.getParameter("sortflag");
+        param.put("sortflag", sortflag);
 
         Page<Map<String,Object>> list=courseInfoService.queryList(param);
         return CommonResult.data(list);