diff --git a/build/index.ts b/build/index.ts
index 4127d62e4..c6df2e000 100644
--- a/build/index.ts
+++ b/build/index.ts
@@ -30,7 +30,7 @@ const warpperEnv = (envConf: Recordable): ViteEnv => {
 
 // 跨域代理重写
 const regExps = (value: string, reg: string): string => {
-  return value.replace(new RegExp(reg, "g"), "");
+  return value.replace(new RegExp(`^${reg}`, "g"), "");
 };
 
 // 环境变量