diff --git a/src/App.tsx b/src/App.tsx
index f4731c8..c94088b 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -3,36 +3,59 @@ import "./App.css";
 import Client from "mtproton/envs/browser";
 
 function App() {
-  let [countriesList, setcountriesList] = useState([]);
+  let [countriesList, setcountriesList] = useState([] as any[]);
+  let phone = React.createRef<HTMLInputElement>();
 
   useEffect(() => {
     let client = new Client({
       api_id: 18987971,
       api_hash: "fcfd9e6ed3f9e48a360bb57cc0d59d98",
     });
+
     client.call("help.getCountriesList").then((result: any) => {
       console.log("country:", result);
+      let resp: any[] = [];
       result.countries.map((country: any) => {
         // @ts-ignore
-        setcountriesList((oldArray) => [
-          ...oldArray,
-          country.default_name + ": " + country.country_codes[0].country_code,
-        ]);
+        resp.push(
+          country.default_name + ": " + country.country_codes[0].country_code
+        );
         return true;
       });
+      setcountriesList(resp);
     });
   }, []);
 
-  // client
-  //   .invoke({
-  //     _: "getCountryCode",
-  //   })
-  //   .then((res) => {
-  //     console.log(res);
-  //   });
+  let sendCode = () => {
+    console.log("phone:", phone.current?.value);
+    let client = new Client({
+      api_id: 18987971,
+      api_hash: "fcfd9e6ed3f9e48a360bb57cc0d59d98",
+    });
+    client.setDefaultDc(5);
+    client
+      .call("auth.sendCode", {
+        phone_number: phone.current?.value,
+        settings: {
+          _: "codeSettings",
+        },
+      })
+      .then((result: any) => {
+        console.log("auth.sendCode:", result);
+      })
+      .catch((error: any) => {
+        console.log("auth.sendCode:", error);
+      });
+  };
+
+  let login = () => {};
 
   return (
     <div className="App">
+      <input ref={phone} />
+      <button onClick={sendCode}>登录</button>
+      <input />
+      <button onClick={login}>登录</button>
       {countriesList.map((country: any, index) => {
         return (
           <div key={index}>