Merge branch 'dev_1.3.13' into dev_1.3.14

stmms-web/src/main/java/cn/com/qmth/stmms/api/controller/ExamStudentController.java

@@ -92,7 +92,7 @@ public class ExamStudentController extends BaseApiController {
         return obj;
     }
 
-    @RoleRequire({ Role.SCHOOL_ADMIN })
+    @RoleRequire({ Role.SCHOOL_ADMIN, Role.SCANNER })
     @RequestMapping("/exam/students/count")
     @ResponseBody
     public long getStudentCount(HttpServletRequest request, ExamStudentSearchQuery query) {