perf: 优化 dialog footer padding

public/theme/element-extra.css

@@ -419,6 +419,10 @@ td .el-button.el-button--mini {
   padding-right: 20px;
 }
 
+.el-dialog .el-dialog__footer {
+  padding: 10px 30px 30px;
+}
+
 .el-cascader {
   line-height: 34px;
 }

src/views/settings/Message/SelectDialog.vue

@@ -2,8 +2,8 @@
   <Dialog
     ref="myDialog"
     :destroy-on-close="true"
-    width="770px"
-    height="700px"
+    width="790px"
+    height="720px"
     v-bind="$attrs"
     @confirm="submit"
     v-on="$listeners"