diff --git a/app/src/main/java/com/stand/standapp/DeveloperActivity.kt b/app/src/main/java/com/stand/standapp/DeveloperActivity.kt
index ff44e58..2525bbc 100644
--- a/app/src/main/java/com/stand/standapp/DeveloperActivity.kt
+++ b/app/src/main/java/com/stand/standapp/DeveloperActivity.kt
@@ -4,9 +4,11 @@ import android.content.Intent
 import android.os.Build
 import android.os.Bundle
 import android.view.View
+import android.widget.EditText
 import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.TextView
+import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 
 class DeveloperActivity : AppCompatActivity() {
@@ -29,6 +31,48 @@ class DeveloperActivity : AppCompatActivity() {
             startActivity(Intent(this, com.stand.standapp.printer.PrintTestActivity::class.java))
         }
 
+        // 本地演示界面
+        findViewById<LinearLayout>(R.id.item_demo_ui).setOnClickListener {
+            val builder = androidx.appcompat.app.AlertDialog.Builder(this)
+            builder.setTitle("本地演示登录")
+            
+            val layout = LinearLayout(this).apply {
+                orientation = LinearLayout.VERTICAL
+                setPadding(50, 40, 50, 10)
+            }
+            
+            val etUser = EditText(this).apply {
+                hint = "账号"
+                setText("test007")
+            }
+            layout.addView(etUser)
+            
+            val etPwd = EditText(this).apply {
+                hint = "密码"
+                setText("123456")
+                inputType = android.text.InputType.TYPE_CLASS_TEXT or android.text.InputType.TYPE_TEXT_VARIATION_PASSWORD
+            }
+            layout.addView(etPwd)
+            
+            builder.setView(layout)
+            builder.setPositiveButton("登录") { _, _ ->
+                val username = etUser.text.toString().trim()
+                val password = etPwd.text.toString().trim()
+                if (username.isEmpty() || password.isEmpty()) {
+                    Toast.makeText(this, "账号密码不能为空", Toast.LENGTH_SHORT).show()
+                } else {
+                    val intent = Intent(this, LoginActivity::class.java).apply {
+                        putExtra("official_mode_login", false)
+                        putExtra("extra_username", username)
+                        putExtra("extra_password", password)
+                    }
+                    startActivity(intent)
+                }
+            }
+            builder.setNegativeButton("取消", null)
+            builder.show()
+        }
+
         // 崩溃模拟
         findViewById<LinearLayout>(R.id.item_crash_test).setOnClickListener {
             androidx.appcompat.app.AlertDialog.Builder(this)
diff --git a/app/src/main/java/com/stand/standapp/LoginActivity.kt b/app/src/main/java/com/stand/standapp/LoginActivity.kt
index 3b8a93c..389268e 100644
--- a/app/src/main/java/com/stand/standapp/LoginActivity.kt
+++ b/app/src/main/java/com/stand/standapp/LoginActivity.kt
@@ -33,7 +33,6 @@ class LoginActivity : AppCompatActivity() {
         val etPassword = findViewById<EditText>(R.id.et_password)
         val cbRemember = findViewById<CheckBox>(R.id.cb_remember)
         val btnLogin = findViewById<Button>(R.id.btn_login)
-        val btnLoginOfficial = findViewById<Button>(R.id.btn_login_official)
         val btnExit = findViewById<Button>(R.id.btn_exit)
         val ivSettings = findViewById<ImageView>(R.id.iv_settings)
         val tvCopyright = findViewById<TextView>(R.id.tv_copyright)
@@ -46,12 +45,22 @@ class LoginActivity : AppCompatActivity() {
             etPassword.setText(AppConfig.getSavedPassword(this))
         }
 
+        // 检查是否有传递过来的用户名和密码（来自开发者界面的演示登录）
+        val extraUsername = intent.getStringExtra("extra_username")
+        val extraPassword = intent.getStringExtra("extra_password")
+        if (!extraUsername.isNullOrEmpty() && !extraPassword.isNullOrEmpty()) {
+            etUsername.setText(extraUsername)
+            etPassword.setText(extraPassword)
+            val isOfficialMode = intent.getBooleanExtra("official_mode_login", true)
+            performLogin(extraUsername, extraPassword, cbRemember.isChecked, isOfficialMode)
+        }
+
         // 2. 服务器配置图标点击事件
         ivSettings.setOnClickListener {
             showServerConfigDialog()
         }
 
-        // 3. 登录按钮点击事件
+        // 3. 登录按钮点击事件（进行正式界面登录）
         btnLogin.setOnClickListener {
             val username = etUsername.text.toString().trim()
             val password = etPassword.text.toString().trim()
@@ -61,21 +70,9 @@ class LoginActivity : AppCompatActivity() {
                 return@setOnClickListener
             }
 
-            // 执行真实接口登录
-            performLogin(username, password, cbRemember.isChecked, false)
-        }
-
-        // 3.1 正式界面登录按钮点击事件
-        btnLoginOfficial.setOnClickListener {
-            val username = etUsername.text.toString().trim()
-            val password = etPassword.text.toString().trim()
-
-            if (username.isEmpty() || password.isEmpty()) {
-                Toast.makeText(applicationContext, "请输入账号和密码", Toast.LENGTH_SHORT).show()
-                return@setOnClickListener
-            }
-
-            performLogin(username, password, cbRemember.isChecked, true)
+            // 根据传入的 Intent 决定是正式登录还是演示登录，默认是正式登录(true)
+            val isOfficialMode = intent.getBooleanExtra("official_mode_login", true)
+            performLogin(username, password, cbRemember.isChecked, isOfficialMode)
         }
 
         // 4. 退出按钮
diff --git a/app/src/main/res/layout/activity_developer.xml b/app/src/main/res/layout/activity_developer.xml
index f7593b3..81b871d 100644
--- a/app/src/main/res/layout/activity_developer.xml
+++ b/app/src/main/res/layout/activity_developer.xml
@@ -149,6 +149,53 @@
                     android:tint="#CBD5E1" />
             </LinearLayout>
 
+            <!-- 演示界面入口卡片 -->
+            <LinearLayout
+                android:id="@+id/item_demo_ui"
+                android:layout_width="match_parent"
+                android:layout_height="72dp"
+                android:background="@drawable/bg_developer_item"
+                android:orientation="horizontal"
+                android:gravity="center_vertical"
+                android:paddingHorizontal="16dp"
+                android:layout_marginBottom="12dp"
+                android:clickable="true"
+                android:focusable="true">
+                
+                <ImageView
+                    android:layout_width="32dp"
+                    android:layout_height="32dp"
+                    android:src="@android:drawable/ic_menu_gallery"
+                    android:tint="#F59E0B" />
+                
+                <LinearLayout
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:layout_marginStart="16dp"
+                    android:orientation="vertical">
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="本地演示界面"
+                        android:textColor="#1E293B"
+                        android:textSize="15sp"
+                        android:textStyle="bold" />
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="启动本地 H5 打印及 PTT 控制演示页面"
+                        android:textColor="#94A3B8"
+                        android:textSize="12sp" />
+                </LinearLayout>
+                
+                <ImageView
+                    android:layout_width="20dp"
+                    android:layout_height="20dp"
+                    android:src="@android:drawable/ic_media_next"
+                    android:tint="#CBD5E1" />
+            </LinearLayout>
+
             <!-- 崩溃测试卡片 -->
             <LinearLayout
                 android:id="@+id/item_crash_test"
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index 7e76dbf..aa54474 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -268,17 +268,6 @@
                 android:textStyle="bold"
                 android:letterSpacing="0.2" />
 
-            <!-- 正式界面登录按钮 -->
-            <Button
-                android:id="@+id/btn_login_official"
-                android:layout_width="match_parent"
-                android:layout_height="44dp"
-                android:layout_marginBottom="8dp"
-                android:background="@drawable/shape_button_secondary"
-                android:text="正式界面登录"
-                android:textColor="#3A7A9A"
-                android:textSize="14sp" />
-
             <!-- 退出应用 -->
             <Button
                 android:id="@+id/btn_exit"