修改注释。

ruoyi-sim/src/main/java/com/ruoyi/sim/controller/RealExamCollectionController.java

@@ -100,7 +100,7 @@ public class RealExamCollectionController extends BaseController {
     @PutMapping(value = "/teacher/exam/open/{examCollectionId}")
     @ApiOperation("[教师][正式使用]打开考试集合")
     public AjaxResult openExam(@PathVariable("examCollectionId") Long examCollectionId) {
-        l.info("[教师][演示使用]打开考试集合");
+        l.info("[教师][正式使用]打开考试集合");
         return service.open(examCollectionId);
     }