diff --git a/src/devstar-api.ts b/src/devstar-api.ts
new file mode 100644
index 0000000..a62a525
--- /dev/null
+++ b/src/devstar-api.ts
@@ -0,0 +1,60 @@
+import * as os from 'os';
+
+import User from "./user";
+import * as utils from './utils';
+
+export default class DevstarAPIHandler {
+
+  private user: User;
+  private devstarDomain: string;
+
+  constructor(user: User) {
+    this.user = user
+
+    // 获取domain
+    const devstarDomainFromUserConfig = utils.getDevstarDomain()
+    if (undefined == devstarDomainFromUserConfig || "" == devstarDomainFromUserConfig) {
+      this.devstarDomain = "https://devstar.cn";
+    } else {
+      this.devstarDomain = devstarDomainFromUserConfig.endsWith('/') ? devstarDomainFromUserConfig.slice(0, -1) : devstarDomainFromUserConfig;
+    }
+  }
+
+  // 上传公钥
+  public async uploadUserPublicKey() {
+    // 获取机器名称
+    const machineName = os.hostname();
+    // 组成公钥名称
+    const timestamp = Date.now();
+    const keyTitle = `${this.user.getUsernameFromLocal()}-${machineName}-${timestamp}`
+    const postData = {
+      "key": this.user.getUserPublicKey(),
+      "title": keyTitle
+    }
+
+    const uploadUrl = this.devstarDomain + `/api/v1/user/keys`
+
+    // 上传公钥
+    fetch(uploadUrl, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'Authorization': 'token ' + this.user.getUserTokenFromLocal()
+      },
+      body: JSON.stringify(postData)
+    })
+      .then(response => {
+        response.json().then(data => {
+          if (response.ok) {
+            console.log("Successfully upload new created public key.\n", data)
+          } else {
+            throw new Error(`Failed to upload new created public key!\nError: ${data.message}`)
+          }
+        })
+      })
+      .catch(error => {
+        console.error(error);
+      });
+  }
+}
+