diff --git a/app/src/main/java/com/example/app/CameraActivity.kt b/app/src/main/java/com/example/app/CameraActivity.kt
index 9fcde51..e9cde44 100644
--- a/app/src/main/java/com/example/app/CameraActivity.kt
+++ b/app/src/main/java/com/example/app/CameraActivity.kt
@@ -397,7 +397,7 @@ class CameraActivity : AppCompatActivity() {
                     
                     runOnUiThread {
                         Toast.makeText(baseContext, "图片已保存并添加水印", Toast.LENGTH_LONG).show()
-                        addPhotoToPreview(uri)
+                        showPhotoPreview(uri)
                     }
                 } else {
                     Log.e(TAG, "无法打开输出流: $uri")
diff --git a/app/src/main/java/com/example/app/SettingsActivity.kt b/app/src/main/java/com/example/app/SettingsActivity.kt
index 62da5a6..0a7ae90 100644
--- a/app/src/main/java/com/example/app/SettingsActivity.kt
+++ b/app/src/main/java/com/example/app/SettingsActivity.kt
@@ -2,7 +2,6 @@ package com.example.app
 
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
-import androidx.preference.PreferenceFragmentCompat
 
 class SettingsActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {