提交工程，小程序源码已完成，单片机待完成

wex_small/miniprogram_npm/@vant/weapp/cell/index.wxs

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+/* eslint-disable */
+var style = require('../wxs/style.wxs');
+var addUnit = require('../wxs/add-unit.wxs');
+
+function titleStyle(data) {
+  return style([
+    {
+      'max-width': addUnit(data.titleWidth),
+      'min-width': addUnit(data.titleWidth),
+    },
+    data.titleStyle,
+  ]);
+}
+
+module.exports = {
+  titleStyle: titleStyle,
+};