diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/RecordHelper.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/RecordHelper.kt
index 4f41285..3385b27 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/RecordHelper.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/RecordHelper.kt
@@ -10,6 +10,7 @@ object RecordHelper {
     private val codecManager: MediaCodecManager = MediaCodecManager.getInstance()
     private const val width = 1920
     private const val height = 1080
+    private const val overlayOffset = 20
     private var recording = false;
 
     init {
@@ -24,7 +25,7 @@ object RecordHelper {
         overLayBitmap?.let {
             val yuv = TxtOverlay.getOverlayYuv()
             yuv?.let {
-                for ((j, i) in (100 until overLayBitmap.height + 100).withIndex()) {
+                for ((j, i) in (overlayOffset until overLayBitmap.height + overlayOffset).withIndex()) {
                     for (c in 0 until overLayBitmap.width) {
                         //去掉PNG水印的黑边
                         if (yuv[j * overLayBitmap.width + c]
@@ -35,7 +36,7 @@ object RecordHelper {
                                 yuv,
                                 j * overLayBitmap.width + c,
                                 nv12Data,
-                                100 + i * 1920 + c,
+                                overlayOffset + i * width + c,
                                 1
                             )
                         }