diff --git a/package-lock.json b/package-lock.json
index ea7724d..0bc3591 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,26 +9,9 @@
       "version": "1.0.0",
       "license": "MIT",
       "dependencies": {
-        "@types/ws": "^8.5.4",
+        "dotenv": "^16.0.3",
         "openai": "^3.2.1",
         "ws": "^8.13.0"
-      },
-      "devDependencies": {
-        "@types/node": "^12.20.55",
-        "typescript": "^3.9.10"
-      }
-    },
-    "node_modules/@types/node": {
-      "version": "12.20.55",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.20.55.tgz",
-      "integrity": "sha512-J8xLz7q2OFulZ2cyGTLE1TbbZcjpno7FaN6zdJNrgAdrJ+DZzh/uFR6YrTb4C+nXakvud8Q4+rbhoIWlYQbUFQ=="
-    },
-    "node_modules/@types/ws": {
-      "version": "8.5.4",
-      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.5.4.tgz",
-      "integrity": "sha512-zdQDHKUgcX/zBc4GrwsE/7dVdAD8JR4EuiAXiiUhhfyIJXXb2+PrGshFyeXWQPMmmZ2XxgaqclgpIC7eTXc1mg==",
-      "dependencies": {
-        "@types/node": "*"
       }
     },
     "node_modules/asynckit": {
@@ -63,6 +46,14 @@
         "node": ">=0.4.0"
       }
     },
+    "node_modules/dotenv": {
+      "version": "16.0.3",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.0.3.tgz",
+      "integrity": "sha512-7GO6HghkA5fYG9TYnNxi14/7K9f5occMlp3zXAuSxn7CKCxt9xbNWG7yF8hTCSUchlfWSe3uLmlPfigevRItzQ==",
+      "engines": {
+        "node": ">=12"
+      }
+    },
     "node_modules/follow-redirects": {
       "version": "1.15.2",
       "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.2.tgz",
@@ -123,19 +114,6 @@
         "form-data": "^4.0.0"
       }
     },
-    "node_modules/typescript": {
-      "version": "3.9.10",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.10.tgz",
-      "integrity": "sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==",
-      "dev": true,
-      "bin": {
-        "tsc": "bin/tsc",
-        "tsserver": "bin/tsserver"
-      },
-      "engines": {
-        "node": ">=4.2.0"
-      }
-    },
     "node_modules/ws": {
       "version": "8.13.0",
       "resolved": "https://registry.npmjs.org/ws/-/ws-8.13.0.tgz",
@@ -158,19 +136,6 @@
     }
   },
   "dependencies": {
-    "@types/node": {
-      "version": "12.20.55",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.20.55.tgz",
-      "integrity": "sha512-J8xLz7q2OFulZ2cyGTLE1TbbZcjpno7FaN6zdJNrgAdrJ+DZzh/uFR6YrTb4C+nXakvud8Q4+rbhoIWlYQbUFQ=="
-    },
-    "@types/ws": {
-      "version": "8.5.4",
-      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.5.4.tgz",
-      "integrity": "sha512-zdQDHKUgcX/zBc4GrwsE/7dVdAD8JR4EuiAXiiUhhfyIJXXb2+PrGshFyeXWQPMmmZ2XxgaqclgpIC7eTXc1mg==",
-      "requires": {
-        "@types/node": "*"
-      }
-    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -197,6 +162,11 @@
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
       "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ=="
     },
+    "dotenv": {
+      "version": "16.0.3",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.0.3.tgz",
+      "integrity": "sha512-7GO6HghkA5fYG9TYnNxi14/7K9f5occMlp3zXAuSxn7CKCxt9xbNWG7yF8hTCSUchlfWSe3uLmlPfigevRItzQ=="
+    },
     "follow-redirects": {
       "version": "1.15.2",
       "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.2.tgz",
@@ -234,12 +204,6 @@
         "form-data": "^4.0.0"
       }
     },
-    "typescript": {
-      "version": "3.9.10",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.10.tgz",
-      "integrity": "sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==",
-      "dev": true
-    },
     "ws": {
       "version": "8.13.0",
       "resolved": "https://registry.npmjs.org/ws/-/ws-8.13.0.tgz",
diff --git a/package.json b/package.json
index 42c0a93..1f83e34 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,7 @@
   "author": "gaoqing",
   "license": "MIT",
   "dependencies": {
+    "dotenv": "^16.0.3",
     "openai": "^3.2.1",
     "ws": "^8.13.0"
   }