diff --git a/deno.json b/deno.json
index a648fc8..48b50a9 100644
--- a/deno.json
+++ b/deno.json
@@ -22,7 +22,7 @@
   "imports": {
     "$std/": "https://deno.land/std@0.193.0/",
     "postgres/": "https://deno.land/x/postgres@v0.17.0/",
-    "$fresh/": "https://deno.land/x/fresh@1.4.2/",
+    "$fresh/": "https://deno.land/x/fresh@1.4.3/",
     "preact": "https://esm.sh/preact@10.15.1",
     "preact/": "https://esm.sh/preact@10.15.1/",
     "preact-render-to-string": "https://esm.sh/*preact-render-to-string@6.2.1",
@@ -48,4 +48,4 @@
       "_fresh"
     ]
   }
-}
\ No newline at end of file
+}
diff --git a/dev.ts b/dev.ts
index 2b5f6a6..e581392 100644
--- a/dev.ts
+++ b/dev.ts
@@ -1,6 +1,7 @@
 #!/usr/bin/env -S deno run -A --watch=static/,routes/
 
 import dev from "$fresh/dev.ts";
+import config from "./fresh.config.ts";
 import "$std/dotenv/load.ts";
 
-await dev(import.meta.url, "./main.ts");
+await dev(import.meta.url, "./main.ts", config);
diff --git a/fresh.config.ts b/fresh.config.ts
new file mode 100644
index 0000000..f49825f
--- /dev/null
+++ b/fresh.config.ts
@@ -0,0 +1,10 @@
+import { defineConfig } from "$fresh/server.ts";
+import { initPool } from "~/server/db.ts";
+import { env } from "~/server/env.ts";
+
+export default defineConfig({});
+
+if (Deno.args.at(0) !== "build") {
+  env.init();
+  initPool();
+}
diff --git a/main.ts b/main.ts
index 2a7af93..1150246 100644
--- a/main.ts
+++ b/main.ts
@@ -6,14 +6,6 @@
 
 import { start } from "$fresh/server.ts";
 import manifest from "~/fresh.gen.ts";
-import { initPool } from "~/server/db.ts";
-import { env } from "~/server/env.ts";
+import config from "./fresh.config.ts";
 
-// const render: RenderFunction = (ctx, render) => {
-//   ctx.lang = "ja";
-//   render();
-// };
-
-env.init();
-initPool();
-await start(manifest);
+await start(manifest, config);
diff --git a/routes/about.tsx b/routes/about.tsx
index bebebc0..ecf0e02 100644
--- a/routes/about.tsx
+++ b/routes/about.tsx
@@ -60,12 +60,7 @@ export default defineRoute(async (req, _ctx) => {
             利用モジュール
             <ul>
               <li>
-                <a
-                  href="https://github.com/chibat/leaves/blob/main/import_map.json"
-                  target="_blank"
-                >
-                  import_map.json を参照
-                </a>
+                deno.json imports を参照
               </li>
               <li>
                 <a href="https://getbootstrap.com/" target="_blank">