修改bug

src/views/training/models/sign-in-code.vue

@@ -15,8 +15,8 @@
                 </div>
             </div>
 
-            <div class="d-flex j-c">
-                <!-- <el-button @click="saveImg">保存签到二维码</el-button> -->
+            <div v-if="!+info.joinType" class="d-flex j-c">
+                <el-button @click="saveImg">保存签到二维码</el-button>
             </div>
         </template>
     </vxe-modal>