课程方图的默认显示

src/views/modules/course/courseList.vue

@@ -103,11 +103,22 @@
       >
         <template slot-scope="scope">
           <div
-            v-if="scope.row.image"
-            style="width:100%;display: flex;
-          align-items: center;justify-content: center;"
+            v-if="scope.row.squareImage"
+            style="width:100%;
+              display: flex;
+              align-items: center;
+              justify-content: center;"
           >
-            <img :src="scope.row.squareImage" alt="" width="40px" height="40px" />
+            <img :src="scope.row.squareImage" alt="" width="60px" height="60px" />
+          </div>
+          <div
+            v-else
+            style="width:100%;
+              display: flex;
+              align-items: center;
+              justify-content: center;"
+          >
+            <span style="width:60px; height: 60px; background: #f2f2f2; font-size: 12px; line-height: 60px; display: inline-block;">暂无图片</span>
           </div>
         </template>
       </el-table-column>