diff --git a/README.md b/README.md
index 019c088..87de1bf 100644
--- a/README.md
+++ b/README.md
@@ -23,4 +23,6 @@ https://github.com/elliotchance/pie  array helper slice
 
 go get github.com/elliotchance/pie/v2
 
-https://github.com/joho/godotenv  .env 配置文件读取
\ No newline at end of file
+https://github.com/joho/godotenv  .env 配置文件读取
+
+github.com/mitchellh/copystructure
\ No newline at end of file