diff --git a/app/src/main/java/com/ouxuan/oxface/MainActivity.java b/app/src/main/java/com/ouxuan/oxface/MainActivity.java
index 60f80a9..6846bb1 100644
--- a/app/src/main/java/com/ouxuan/oxface/MainActivity.java
+++ b/app/src/main/java/com/ouxuan/oxface/MainActivity.java
@@ -123,8 +123,10 @@ public class MainActivity extends AppCompatActivity {
         // 设置长按登录按钮显示日志路径信息（调试功能）
         setupLogPathDebug();
 
-        //切换第六批设备（0-5）
-        switchCameraByDeviceType(5);
+        // 动态获取设备类型并切换相机配置
+        int deviceType = DeviceSelectDataManager.getInstance(this).getDeviceType();
+        Log.d(TAG, "初始化时获取设备类型: " + deviceType);
+        switchCameraByDeviceType(deviceType);
     }
     
     /**
diff --git a/app/src/main/java/com/ouxuan/oxface/data/DeviceSelectDataManager.java b/app/src/main/java/com/ouxuan/oxface/data/DeviceSelectDataManager.java
index a656009..c2023e9 100644
--- a/app/src/main/java/com/ouxuan/oxface/data/DeviceSelectDataManager.java
+++ b/app/src/main/java/com/ouxuan/oxface/data/DeviceSelectDataManager.java
@@ -569,6 +569,27 @@ public class DeviceSelectDataManager {
     }
     
     /**
+     * 获取设备类型
+     * @return 设备类型值，如果获取失败返回默认值5（第六批设备）
+     */
+    public int getDeviceType() {
+        try {
+            PadApiService.PadSetting padSetting = getPadSetting();
+            if (padSetting != null) {
+                int deviceType = padSetting.getDeviceType();
+                Log.d(TAG, "从API响应获取设备类型: " + deviceType);
+                return deviceType;
+            } else {
+                Log.w(TAG, "PadSetting为空，使用默认设备类型5");
+            }
+        } catch (Exception e) {
+            Log.e(TAG, "获取设备类型失败: " + e.getMessage(), e);
+        }
+        // 默认返回5（第六批设备），保持向后兼容性
+        return 5;
+    }
+    
+    /**
      * 获取店铺信息
      * @return 包含店铺名称和Logo的数组，[name, logo]
      */
diff --git a/financelibrary/src/main/java/com/baidu/idl/face/main/finance/manager/FaceSDKManager.java b/financelibrary/src/main/java/com/baidu/idl/face/main/finance/manager/FaceSDKManager.java
index d258416..eb9914f 100644
--- a/financelibrary/src/main/java/com/baidu/idl/face/main/finance/manager/FaceSDKManager.java
+++ b/financelibrary/src/main/java/com/baidu/idl/face/main/finance/manager/FaceSDKManager.java
@@ -852,23 +852,32 @@ public class FaceSDKManager {
      */
     public void switchCameraByDeviceType(int deviceType) {
         Log.d("dev", "switchCameraByDeviceType999: "+deviceType);
-        if(deviceType == 6){
-            Log.e("FaceSDKManager", "switchCamera--第7批");
-            SingleBaseConfig.getBaseConfig().setVideoDirection(90);
-            SingleBaseConfig.getBaseConfig().setRgbVideoDirection(90);
-            SingleBaseConfig.getBaseConfig().setMirrorDetectRGB(0);
-        }else if(deviceType == 5){
-            Log.e("FaceSDKManager", "switchCamera--第6批");
-            SingleBaseConfig.getBaseConfig().setVideoDirection(90);
-            SingleBaseConfig.getBaseConfig().setRgbVideoDirection(90);
-            SingleBaseConfig.getBaseConfig().setMirrorDetectRGB(1);
-        }else{
-            Log.e("FaceSDKManager", "switchCamera--采用默认配置");
-            SingleBaseConfig.getBaseConfig().setVideoDirection(270);
-            SingleBaseConfig.getBaseConfig().setRgbVideoDirection(270);
-            SingleBaseConfig.getBaseConfig().setMirrorDetectRGB(0);
+        try {
+            if(deviceType == 6){
+                Log.e("FaceSDKManager", "switchCamera--第7批");
+                SingleBaseConfig.getBaseConfig().setVideoDirection(90);
+                SingleBaseConfig.getBaseConfig().setRgbVideoDirection(90);
+                SingleBaseConfig.getBaseConfig().setMirrorDetectRGB(0);
+            }else if(deviceType == 5){
+                Log.e("FaceSDKManager", "switchCamera--第6批");
+                SingleBaseConfig.getBaseConfig().setVideoDirection(90);
+                SingleBaseConfig.getBaseConfig().setRgbVideoDirection(90);
+                SingleBaseConfig.getBaseConfig().setMirrorDetectRGB(1);
+            }else{
+                Log.e("FaceSDKManager", "switchCamera--采用默认配置");
+                SingleBaseConfig.getBaseConfig().setVideoDirection(270);
+                SingleBaseConfig.getBaseConfig().setRgbVideoDirection(270);
+                SingleBaseConfig.getBaseConfig().setMirrorDetectRGB(0);
+            }
+
+            // 尝试保存配置到文件，如果失败则只记录日志
+            boolean saveResult = com.baidu.idl.face.main.finance.utils.FinanceConfigUtils.modityJson();
+            if (!saveResult) {
+                Log.w("FaceSDKManager", "配置文件保存失败，但相机配置已更新");
+            }
+        } catch (Exception e) {
+            Log.e("FaceSDKManager", "切换相机配置时发生异常: " + e.getMessage(), e);
         }
-        com.baidu.idl.face.main.finance.utils.FinanceConfigUtils.modityJson();
     }
 
     /**
diff --git a/financelibrary/src/main/java/com/baidu/idl/face/main/finance/utils/FinanceConfigUtils.java b/financelibrary/src/main/java/com/baidu/idl/face/main/finance/utils/FinanceConfigUtils.java
index 675f6b2..64b9f59 100644
--- a/financelibrary/src/main/java/com/baidu/idl/face/main/finance/utils/FinanceConfigUtils.java
+++ b/financelibrary/src/main/java/com/baidu/idl/face/main/finance/utils/FinanceConfigUtils.java
@@ -353,6 +353,11 @@ public class FinanceConfigUtils {
      * 修改配置文件内容并重新读取配置
      */
     public static boolean modityJson() {
+        // 检查文件路径是否有效
+        if (filePath == null || filePath.contains("null")) {
+            Log.e(TAG, "文件路径无效，无法写入配置文件: " + filePath);
+            return false;
+        }
 
         JSONObject jsonObject = new JSONObject();