之前用消息模版时，first.DATA字段可以调用，但从5月1日开始都不能调用了，是什么原因？
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- Officially build the first App: Mini Program/Development/Extended/Getting Started/Quick Start to building the first app
- 1. Download and install Weixin DevTools: Mini Program/Development/Extended/Getting Started/Quick Start to building the first app
- II. Creating multi-terminal applications and binding Mini Programs: Mini Program/Development/Extended/Getting Started/Quick Start to building the first app
- III. Upgrading Small Program Projects to Multiterminal Projects: Mini Program/Development/Extended/Getting Started/Quick Start to building the first app
- 4. Running in a simulator or a real machine: Mini Program/Development/Extended/Getting Started/Quick Start to building the first app
参考下公告《关于规范公众号模板消息的再次公告》：https://mp.weixin.qq.com/s/hvLO4Vs75NXDA__SxuyKXw