diff --git a/components/diy/custom.vue b/components/diy/custom.vue
index ab2dc2a7..6b2f1324 100644
--- a/components/diy/custom.vue
+++ b/components/diy/custom.vue
@@ -88,12 +88,17 @@ export default {
         init() {
             const new_form = this.propValue.content;
             const new_style = this.propValue.style;
-            const width = sys_width - new_style.common_style.margin_left - new_style.common_style.margin_right;
+            const { margin_left, margin_right } = new_style.common_style;
+            const width = sys_width - margin_left - margin_right;
+            this.$nextTick(() => {
+                this.setData({
+                    div_width: width,
+                    scale: width / 390,
+                });
+            });
             this.setData({
                 form: new_form,
                 new_style: new_style,
-                div_width: width,
-                scale: width / 390,
                 custom_list_length: new_form.custom_list.length - 1,
                 style_container: common_styles_computer(new_style.common_style) + 'box-sizing: border-box;', // 用于样式显示
                 style_img_container: common_img_computer(new_style.common_style),