diff --git a/index.js b/index.js
index d9684af..3fec000 100644
--- a/index.js
+++ b/index.js
@@ -28,16 +28,6 @@ module.exports = {
     return JSON.stringify(newEntity)
   },
 
-  getDynamicConfig(dynamicConfigFile='ConfigDynamic.js') { // dynamicConfigFile should be absolute or relative to the node process's dir.
-    const fullpath = path.join(process.cwd(), dynamicConfigFile)
-    if (fs.existsSync(fullpath)) {
-      delete require.cache[require.resolve(fullpath)] // delete require.cache[fullpath] 不起作用
-      return require(fullpath)
-    } else {
-      return {}
-    }
-  },
-
   name2port(name='') {
     let port = name.toLowerCase()
       .replace(/[abc]/g, 2)