diff --git a/.env.development b/.env.development
new file mode 100644
index 0000000..9ffe781
--- /dev/null
+++ b/.env.development
@@ -0,0 +1 @@
+VITE_API_BASE_URL=http://localhost:2612/api/v1
diff --git a/.env.production b/.env.production
new file mode 100644
index 0000000..2bf124d
--- /dev/null
+++ b/.env.production
@@ -0,0 +1 @@
+VITE_API_BASE_URL=/api/v1
diff --git a/src/services/api.ts b/src/services/api.ts
index a25b0ef..3a42bd9 100644
--- a/src/services/api.ts
+++ b/src/services/api.ts
@@ -4,10 +4,13 @@
  * Validates: Requirements 12.3, 12.4
  */
 
-const isLocal = window.location.hostname === 'localhost' || window.location.hostname === '127.0.0.1';
-const API_BASE_URL = isLocal
-  ? (import.meta.env.VITE_API_BASE_URL || 'http://localhost:2612/api/v1')
-  : '/api/v1';
+// 优先使用环境变量配置
+// 开发环境 (.env.development): http://localhost:2612/api/v1
+// 生产环境 (.env.production): /api/v1
+const API_BASE_URL = import.meta.env.VITE_API_BASE_URL ||
+  ((window.location.hostname === 'localhost' || window.location.hostname === '127.0.0.1')
+    ? 'http://localhost:2612/api/v1'
+    : '/api/v1');
 
 // Token storage keys
 const ACCESS_TOKEN_KEY = 'access_token';