diff --git a/src/pages/overall/overall-course/unread-entry/unread-entry.vue b/src/pages/overall/overall-course/unread-entry/unread-entry.vue
index 4012828..43f327e 100644
--- a/src/pages/overall/overall-course/unread-entry/unread-entry.vue
+++ b/src/pages/overall/overall-course/unread-entry/unread-entry.vue
@@ -19,7 +19,7 @@
                 </span>
                 <span class="score entry-box">{{assignment.score}}</span>
                 <span class="max entry-box">{{assignment.scoreMax}}</span>
-                <el-button class="mark-as-read" size="mini" icon="el-icon-close"></el-button>
+                <el-button class="mark-as-read" size="mini" type="text" icon="el-icon-close"></el-button>
             </el-col>
         </el-row>
     </div>