diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..2b33190
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,3 @@
+PORT=9520
+API_BASE=http://127.0.0.1:9558/api
+CACHE_DIR=./.cache
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index 06f235a..7b2fc35 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,6 +26,8 @@ COPY . .
 # 3. 权限与启动
 ENV PORT=9520
 ENV CACHE_DIR=/app/.cache
+ENV API_BASE=http://127.0.0.1:9558/api
+VOLUME ["/app/.cache"]
 
 RUN useradd -m appuser && \
     mkdir -p "$CACHE_DIR" && \
diff --git a/index.js b/index.js
index 817f820..9f83165 100644
--- a/index.js
+++ b/index.js
@@ -17,8 +17,8 @@ const EventEmitter = require('events');
 
 // Configuration
 const PORT = process.env.PORT || 9520;
-const API_BASE = 'http://183.6.121.121:9558/api';
-const CACHE_DIR = path.join(__dirname, '.cache');
+const API_BASE = process.env.API_BASE || 'http://127.0.0.1:9558/api';
+const CACHE_DIR = process.env.CACHE_DIR ? path.resolve(process.env.CACHE_DIR) : path.join(__dirname, '.cache');
 
 // Ensure cache directory exists
 if (!fs.existsSync(CACHE_DIR)) {