diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/constant/Constants.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/constant/Constants.kt
index f19f525..e2005f1 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/constant/Constants.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/constant/Constants.kt
@@ -10,4 +10,10 @@ const val MAX_QUERY_TIME_INTERVAL = ONE_DAY_MS
 const val DEFAULT_QUERY_TIME_INTERVAL = ONE_HOUR_MS * 6
 
 //摄像头RTSP地址
-const val CAMERA_URL = "rtsp://admin:123456@192.168.5.200:554/h264/ch1/main/av_stream"
\ No newline at end of file
+const val CAMERA_URL = "rtsp://admin:123456@192.168.5.200:554/h264/ch1/main/av_stream"
+
+//打开摄像头延时
+const val DELAY_TIME_OPEN_CAMERA = 10
+
+//检测重连摄像头延时
+const val DELAY_TIME_CHECK_CAMERA = 5
\ No newline at end of file
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HomeActivity.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HomeActivity.kt
index 2f026b6..5321022 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HomeActivity.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HomeActivity.kt
@@ -12,6 +12,8 @@ import com.yinuo.safetywatcher.R
 import com.yinuo.safetywatcher.databinding.ActivityHomeBinding
 import com.yinuo.safetywatcher.watcher.base.NoOptionsActivity
 import com.yinuo.safetywatcher.watcher.constant.CAMERA_URL
+import com.yinuo.safetywatcher.watcher.constant.DELAY_TIME_CHECK_CAMERA
+import com.yinuo.safetywatcher.watcher.constant.DELAY_TIME_OPEN_CAMERA
 import com.yinuo.safetywatcher.watcher.services.HeartbeatService
 import com.yinuo.safetywatcher.watcher.utils.BatteryHelper
 import com.yinuo.safetywatcher.watcher.utils.SimHelper
@@ -70,11 +72,11 @@ class HomeActivity : NoOptionsActivity() {
         mRender?.setFrameCallBack(object : IFrameCallBack {
             override fun onFrame() {
                 closeLoadingDialog()
-                watchCamera(5)
+                watchCamera(DELAY_TIME_CHECK_CAMERA)
             }
         })
-        // 第一次很慢，所以30秒
-        watchCamera(30)
+        // 第一次很慢，所以10秒
+        watchCamera(DELAY_TIME_OPEN_CAMERA)
         showLoadingDialog(R.string.connecting_camera)
     }
 
@@ -83,9 +85,9 @@ class HomeActivity : NoOptionsActivity() {
             LogUtils.w("reStartCamera Runnable start")
             showLoadingDialog(R.string.connecting_camera)
             mRender?.reStart()
-            watchCamera(30)
+            watchCamera(DELAY_TIME_OPEN_CAMERA)
         }else{
-            watchCamera(5)
+            watchCamera(DELAY_TIME_CHECK_CAMERA)
         }
     }
 
diff --git a/library-vlc/src/main/java/com/yinuo/library/vlc/RtspHelper.java b/library-vlc/src/main/java/com/yinuo/library/vlc/RtspHelper.java
index 928e338..4bdbdb8 100644
--- a/library-vlc/src/main/java/com/yinuo/library/vlc/RtspHelper.java
+++ b/library-vlc/src/main/java/com/yinuo/library/vlc/RtspHelper.java
@@ -52,7 +52,7 @@ public class RtspHelper {
             options.add("--audio-time-stretch"); // time stretching
             options.add("-vvv"); // verbosity
             options.add("--file-caching=2000");
-            options.add("--rtsp-frame-buffer-size=5000");
+            options.add("--rtsp-frame-buffer-size=80000");
             options.add("--rtsp-tcp");
             mVlc = new LibVLC(Objects.requireNonNull(CommonApplication.Companion.getContext()), options);