diff --git a/deno.json b/deno.json
index ed9dd12..ed9b22e 100644
--- a/deno.json
+++ b/deno.json
@@ -1,13 +1,6 @@
 {
-  "compilerOptions": {
-    "allowJs": true,
-    "lib": ["deno.window"],
-    "strict": true
-  },
-  "importMap": {
-    "imports": {
-      "std/": "https://deno.land/std@0.220.1/"
-    }
+  "imports": {
+    "std/": "https://deno.land/std@0.220.1/"
   },
   "tasks": {
     "start": "deno run --allow-net --allow-env --allow-read main.ts",
diff --git a/import_map.json b/import_map.json
new file mode 100644
index 0000000..254df07
--- /dev/null
+++ b/import_map.json
@@ -0,0 +1,5 @@
+{
+  "imports": {
+    "std/": "https://deno.land/std@0.220.1/"
+  }
+} 
\ No newline at end of file
diff --git a/main.ts b/main.ts
index a761441..10ec551 100644
--- a/main.ts
+++ b/main.ts
@@ -1,7 +1,6 @@
-import { serve } from "std/http/server.ts";
-import { crypto } from "std/crypto/mod.ts";
-import { encode as base64Encode, decode as base64Decode } from "std/encoding/base64.ts";
-import { createHmac } from "crypto";
+import { serve } from "https://deno.land/std@0.220.1/http/server.ts";
+import { crypto } from "https://deno.land/std@0.220.1/crypto/mod.ts";
+import { encode as base64Encode, decode as base64Decode } from "https://deno.land/std@0.220.1/encoding/base64.ts";
 
 // 类型定义
 interface Vendor {