fix

examcloud-core-basic-api-provider/src/main/java/cn/com/qmth/examcloud/core/basic/api/provider/CourseCloudServiceProvider.java

@@ -165,7 +165,7 @@ public class CourseCloudServiceProvider implements CourseCloudService {
     @ApiOperation(value = "按ROOTORG查询课程")
     @PostMapping("getCoursesByOrg")
 	@Override
-	public GetCourseByOrgResp getCourseByOrg(GetCourseByOrgReq req) {
+	public GetCourseByOrgResp getCourseByOrg(@RequestBody GetCourseByOrgReq req) {
 		GetCourseByOrgResp resp = new GetCourseByOrgResp();
         Long rootOrgId = req.getRootOrgId();
         if (null == rootOrgId) {