fix

src/views/marketing-activity/index.scss

@@ -253,4 +253,9 @@
     .activity-detail-dialog {
         width: 90% !important;
     }
+}
+
+// 修复 el-col-md-8 宽度问题
+::v-deep .el-col-md-8 {
+    width: 24.33333% !important;
 }