diff --git a/bun.lock b/bun.lock
index c2579d1..90a4ddd 100644
--- a/bun.lock
+++ b/bun.lock
@@ -4,6 +4,9 @@
   "workspaces": {
     "": {
       "name": "test-api",
+      "dependencies": {
+        "hono": "^4.13.8",
+      },
       "devDependencies": {
         "@types/bun": "latest",
       },
@@ -59,6 +62,8 @@
 
     "bun-types": ["bun-types@1.4.2", "", { "dependencies": { "@types/node": "*" } }, "sha512-bxV1FgK7yBIzjRe5zBozIM4Bem11ZJcCXSrjWRG3YWLt8yFDePu4cLjpebO8OvPeIE9trbyPF4fuj3Cia4Fj3w=="],
 
+    "hono": ["hono@4.13.8", "", {}, "sha512-/Gng7NfoykZl2pjukW5Z6+8Yxm3BPRf86GTbQnt0SbySkvax4fyL4H3HhY1cCpBGmiW9XDRFzRV+CXK2W8QudQ=="],
+
     "typescript": ["typescript@7.0.2", "", { "optionalDependencies": { "@typescript/typescript-aix-ppc64": "7.0.2", "@typescript/typescript-darwin-arm64": "7.0.2", "@typescript/typescript-darwin-x64": "7.0.2", "@typescript/typescript-freebsd-arm64": "7.0.2", "@typescript/typescript-freebsd-x64": "7.0.2", "@typescript/typescript-linux-arm": "7.0.2", "@typescript/typescript-linux-arm64": "7.0.2", "@typescript/typescript-linux-loong64": "7.0.2", "@typescript/typescript-linux-mips64el": "7.0.2", "@typescript/typescript-linux-ppc64": "7.0.2", "@typescript/typescript-linux-riscv64": "7.0.2", "@typescript/typescript-linux-s390x": "7.0.2", "@typescript/typescript-linux-x64": "7.0.2", "@typescript/typescript-netbsd-arm64": "7.0.2", "@typescript/typescript-netbsd-x64": "7.0.2", "@typescript/typescript-openbsd-arm64": "7.0.2", "@typescript/typescript-openbsd-x64": "7.0.2", "@typescript/typescript-sunos-x64": "7.0.2", "@typescript/typescript-win32-arm64": "7.0.2", "@typescript/typescript-win32-x64": "7.0.2" }, "bin": { "tsc": "bin/tsc" } }, "sha512-8FYau96o3NKOhbjKi/qNvG/W5jhzxkbdm5sj9AbZ/5T5sWqn3hJgLfGx27sRKZWTvyzCP8dLRBTf5tBTSRVUNA=="],
 
     "undici-types": ["undici-types@8.9.0", "", {}, "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg=="],
diff --git a/package.json b/package.json
index 28e980e..d32f36d 100644
--- a/package.json
+++ b/package.json
@@ -4,12 +4,15 @@
   "type": "module",
   "private": true,
   "scripts": {
-    "dev": "bun run src/index.ts"
+    "dev": "bun run --hot src/index.ts"
   },
   "devDependencies": {
     "@types/bun": "latest"
   },
   "peerDependencies": {
     "typescript": "^7"
+  },
+  "dependencies": {
+    "hono": "^4.13.8"
   }
 }
diff --git a/src/index.ts b/src/index.ts
index f67b2c6..7f18384 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1 +1,82 @@
-console.log("Hello via Bun!");
\ No newline at end of file
+import { Hono } from "hono";
+import { ApiResponse } from "./modules/api_response";
+import { validator } from "hono/validator";
+import { postJson } from "./service/postJson";
+import { isEmpty } from "./utils/is_empty";
+import { get } from "./service/get";
+import { cors } from "hono/cors";
+
+const tmpApp: Hono = new Hono()
+export const app = tmpApp.basePath("/test/")
+app.use("/test/*", cors())
+
+// routers
+app.get("/user", (c) => {
+    const re = get()
+    return c.json(ApiResponse.success(200, "Get user successfully", re))
+})
+
+app.post(
+    "/user",
+    validator("json", (val, c) => {
+        if (isEmpty(val.name, val.passwd)) {
+            c.status(400)
+            return c.json(ApiResponse.err(400, "Param is invalid"))
+        }
+        return val
+    }),
+    c => {
+        const re = postJson()
+        return c.json(ApiResponse.success(200, "Add successfully", re))
+    }
+)
+
+app.patch("/user",
+    validator("json", (val, c) => {
+        if (isEmpty(val.id, val.changeFields)) {
+            c.status(400)
+            return c.json(ApiResponse.err(400, "Param is invalid"))
+        }
+        return val
+    }),
+    c => {
+        return c.json(ApiResponse.success(200, "Change user information successfully"))
+    }
+)
+
+app.put("/user",
+    validator("json", (val, c) => {
+        if (isEmpty(val.id, val.changeFields)) {
+            c.status(400)
+            return c.json(ApiResponse.err(400, "Param is invalid"))
+        }
+        return val
+    }),
+    c => {
+        return c.json(ApiResponse.success(200, "Change user information successfully"))
+    }
+)
+
+app.delete("/user",
+    validator("json", (val, c) => {
+        if (isEmpty(val.id)) {
+            c.status(400)
+            return c.json(ApiResponse.err(400, "Param is invalid"))
+        }
+        return val
+    }),
+    async (c) => {
+        const id = await c.req.json()
+        return c.json(ApiResponse.success(200, `Delete user successfully by id: ${id.id}`))
+    }
+)
+
+app.notFound((c) => {
+    console.log(`Not found [${c.req.method}]: ${c.req.path}`);
+    return c.json(ApiResponse.err(404, "Not Found"))
+})
+
+export default {
+    port: "8080",
+    fetch: app.fetch
+}
\ No newline at end of file
diff --git a/src/modules/api_response.ts b/src/modules/api_response.ts
new file mode 100644
index 0000000..b0f8318
--- /dev/null
+++ b/src/modules/api_response.ts
@@ -0,0 +1,27 @@
+export class ApiResponse<T> {
+    code: number
+    msg: string
+    data?: T
+
+    constructor(code: number, msg: string, data?: T) {
+        this.code = code
+        this.msg = msg
+        this.data = data
+    }
+
+    static success<T>(
+        code?: number | undefined,
+        msg?: string | undefined,
+        data?: T
+    ): ApiResponse<T> {
+        return new ApiResponse(code ?? 200, msg ?? "ok", data)
+    }
+
+    static err<T>(
+        code?: number | undefined,
+        msg?: string | undefined,
+        data?: T
+    ): ApiResponse<T> {
+        return new ApiResponse(code ?? 500, msg ?? "err", data)
+    }
+}
\ No newline at end of file
diff --git a/src/service/get.ts b/src/service/get.ts
new file mode 100644
index 0000000..e1fc2e1
--- /dev/null
+++ b/src/service/get.ts
@@ -0,0 +1,19 @@
+export function get() {
+    return [
+        {
+            "id": "001",
+            "name": "XiaoAi",
+            "passwd": "000000"
+        },
+        {
+            "id": "002",
+            "name": "XiaoMing",
+            "passwd": "000000"
+        },
+        {
+            "id": "003",
+            "name": "XiaoHong",
+            "passwd": "000000"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/src/service/postJson.ts b/src/service/postJson.ts
new file mode 100644
index 0000000..a7abc9f
--- /dev/null
+++ b/src/service/postJson.ts
@@ -0,0 +1,5 @@
+export function postJson() {
+    return {
+        "id": "004"
+    }
+}
\ No newline at end of file
diff --git a/src/utils/getMD5.ts b/src/utils/getMD5.ts
new file mode 100644
index 0000000..4aeab8e
--- /dev/null
+++ b/src/utils/getMD5.ts
@@ -0,0 +1,3 @@
+export function getMD5(str: string): string {
+    return Bun.CryptoHasher.hash("md5", str, "hex")
+}
\ No newline at end of file
diff --git a/src/utils/is_empty.ts b/src/utils/is_empty.ts
new file mode 100644
index 0000000..f9d34fb
--- /dev/null
+++ b/src/utils/is_empty.ts
@@ -0,0 +1,10 @@
+export function isEmpty(...data: any[]): boolean {
+    var empty = false
+    data.forEach(e => {
+        if (e == null || e == undefined) {
+            empty = true
+            return
+        }
+    })
+    return empty
+}
\ No newline at end of file