diff --git a/media/uploads/exercise/audio/AUDIO-0a9c1898-d665-46f7-837b-d532e9838a11-2ec059a7207030b46fbf7c41f3a0b65c.mp3 b/media/uploads/exercise/audio/AUDIO-0a9c1898-d665-46f7-837b-d532e9838a11-2ec059a7207030b46fbf7c41f3a0b65c.mp3
deleted file mode 100644
index 72a2360..0000000
Binary files a/media/uploads/exercise/audio/AUDIO-0a9c1898-d665-46f7-837b-d532e9838a11-2ec059a7207030b46fbf7c41f3a0b65c.mp3 and /dev/null differ
diff --git a/routes/contents/exercise.js b/routes/contents/exercise.js
index 4e6b638..5e2f03b 100644
--- a/routes/contents/exercise.js
+++ b/routes/contents/exercise.js
@@ -22,6 +22,8 @@ router.get("/exercise/:id", verifyLoginUser, getExerciseById);
 
 router.post("/exercises", verifyLoginUser, adminOnly, handleUpload, createExercises);
 
+router.post("/exercise/file/:id", verifyLoginUser, adminOnly, deleteExerciseFileById);
+
 // router.post("/exercise/multiple-choices", verifyLoginUser, adminOnly, handleUploadSingleExercise, createMultipleChoicesExercise);
 
 // router.post("/exercise/matching-pairs", verifyLoginUser, adminOnly, handleUploadSingleExercise, createMatchingPairsExercise);
@@ -40,6 +42,4 @@ router.put("/exercise/:id", verifyLoginUser, adminOnly, handleUpload, updateExer
 
 router.delete("/exercise/:id", verifyLoginUser, adminOnly, deleteExerciseById);
 
-router.delete("/exercise/file/:id", verifyLoginUser, adminOnly, deleteExerciseFileById);
-
 export default router
\ No newline at end of file
diff --git a/routes/monitoring/monitoring.js b/routes/monitoring/monitoring.js
index 7aea131..68f89b0 100644
--- a/routes/monitoring/monitoring.js
+++ b/routes/monitoring/monitoring.js
@@ -12,8 +12,6 @@ router.post("/monitoring/class", verifyLoginUser, getClassMonitoringDataByClassA
 
 router.get("/monitoring/:id", verifyLoginUser, getMonitoringById);
 
-router.get("/monitoring/class/csv", verifyLoginUser, adminOrTeacherOnly, classMonitoringCSVByClassAndTopic);
-
 router.get("/monitoring/class/:classId", verifyLoginUser, adminOrTeacherOnly, getClassMonitoringByClassId);
 
 router.get("/monitoring/topic/:topicId", verifyLoginUser, getMonitoringByTopicId);
@@ -22,6 +20,8 @@ router.get("/monitoring/progress/:id", verifyLoginUser, adminOrTeacherOnly, moni
 
 router.get("/monitoring/progress/csv/:id", verifyLoginUser, adminOrTeacherOnly, monitoringStudentProgressCSVById);
 
+router.post("/monitoring/class/csv", verifyLoginUser, adminOrTeacherOnly, classMonitoringCSVByClassAndTopic);
+
 router.post("/monitoring/feedback/class", verifyLoginUser, adminOrTeacherOnly, monitoringFeedbackByClassAndTopic);
 
 router.post("/monitoring/feedback/:id", verifyLoginUser, adminOrTeacherOnly, monitoringFeedback);