diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 7591881..3fbbdaa 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -5,7 +5,7 @@ description = "Claude Code & Codex 供应商配置管理工具"
 authors = ["Jason Young"]
 license = "MIT"
 repository = "https://github.com/jasonyoung/cc-switch"
-edition = "2024"
+edition = "2021"
 rust-version = "1.85.0"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html