diff --git a/src/pages/overall/overall-course/course-head/course-head.vue b/src/pages/overall/overall-course/course-head/course-head.vue
index f5474fd..350e7af 100644
--- a/src/pages/overall/overall-course/course-head/course-head.vue
+++ b/src/pages/overall/overall-course/course-head/course-head.vue
@@ -71,7 +71,7 @@
 
             <span slot="footer" class="dialog-footer">
                 <el-button @click="ratingDialog = false">Cancel</el-button>
-                <el-button type="primary" @click="submitRating()">Submit</el-button>
+                <el-button type="primary" @click="submitRating()">{{course.rated ? 'Update' : 'Submit'}}</el-button>
             </span>
         </el-dialog>
     </div>