# 如何更改源文件目录

在使用dfx build命令编译项目的源代码之前，您可能需要检查用于存储程序源代码的默认位置。默认情况下，用于创建新项目的名称是用于一个数据Canister（canister\_name）和一个资源容器（canister\_name\_assets）的名称，并且程序源代码应位于src / canister\_name目录中。

但是，根据应用程序的复杂度和体系结构，您可能需要修改源代码的默认位置。

例如，对于一个简单的程序，您可能想要去掉一个目录层级，并将源代码放在src目录中：

**`"main": "src/main.mo"`**

对于更复杂的应用程序，您可能需要使用多层目录结构：

```
"canisters": {
 "profiles": {
 "main": "src/profiles/utils/main.mo"
 },
 "events": {
 "main": "src/events/calendar/main.mo"
 },
 "media": {
 "main": "src/events/reports/main.mo"
 }
}
```

提示：如果您修改源代码目录的默认设置，请确保dfx.json配置文件中的设置与文件系统上的目录位置匹配。


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