ReferenceError: define is not defined

• 当前 Bug 的表现（可附上截图）

• 预期表现

• 复现路径

• 提供一个最简复现 Demo

[publib]:834 ReferenceError: define is not defined

    at weapp:///pages/coupons/index.js:1

    at ContextifyScript.Script.runInContext (vm.js:59)

    at Object.runInContext (vm.js:120)

    at loadCode ([publib]:828)

    at handleInitUserCode ([publib]:812)

    at handleSetupContext ([publib]:1225)

    at handleProcessMessage ([publib]:1234)

    at WebSocket.ws.on ([publib]:1462)

    at emitOne (events.js:115)

    at WebSocket.emit (events.js:210)

在真机调试始终报错；预览和上传体验版 就可以正常使用