diff --git a/src/LoginActivity.java b/src/LoginActivity.java
new file mode 100644
index 0000000..510a027
--- /dev/null
+++ b/src/LoginActivity.java
@@ -0,0 +1,40 @@
+package com.example.sixaunyi;
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+import androidx.appcompat.app.AppCompatActivity;
+public class LoginActivity extends AppCompatActivity {
+
+    private EditText mUsername;
+    private EditText mPassword;
+    private Button mLoginButton;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_login);
+        // 获取输入框和按钮的实例
+        mUsername = findViewById(R.id.username);
+        mPassword = findViewById(R.id.password);
+        mLoginButton = findViewById(R.id.login);
+
+        // 设置登录按钮的点击事件
+        mLoginButton.setOnClickListener(v -> {
+            // 获取用户输入的用户名和密码
+            String username = mUsername.getText().toString();
+            String password = mPassword.getText().toString();
+            // 验证用户名和密码是否正确
+            if (username.equals("admin") && password.equals("123456") || username.equals("tiequan") && password.equals("8731")) {
+                // 如果验证成功，跳转到主界面
+                Intent intent = new Intent(LoginActivity.this, MainActivity.class);
+                startActivity(intent);
+                finish(); // 关闭登录界面
+            } else {
+                // 如果验证失败，在输入框下方提示错误信息
+                Toast.makeText(LoginActivity.this, "用户名或密码错误", Toast.LENGTH_SHORT).show();
+            }
+        });
+    }
+}