diff --git a/app/src/main/cpp/SensorsProtocol.cpp b/app/src/main/cpp/SensorsProtocol.cpp
index 9b2eac68..f14bab24 100644
--- a/app/src/main/cpp/SensorsProtocol.cpp
+++ b/app/src/main/cpp/SensorsProtocol.cpp
@@ -2479,7 +2479,7 @@ int FindNextCameraPhotoCommand(int devidx)
 			return 1;
 		case 10009:     /* 近距离聚焦(1 有效)*/
 			Gm_CtrlPtzCmd(channel, P_FOCUS_NEAR);
-			usleep(100000);
+			usleep(500000);
 			Gm_CtrlPtzCmd(channel, Cmd_Cancel);
 			usleep(100000);
 			srdt.ms_dev[devidx].SerialCmdidx = srdt.iLastGetPhotoNo;
@@ -2487,7 +2487,7 @@ int FindNextCameraPhotoCommand(int devidx)
 			return 1;
 		case 10010:     /* 远距离聚焦(1 有效)*/
 			Gm_CtrlPtzCmd(channel, P_FOCUS_FAR);
-			usleep(100000);
+			usleep(500000);
 			Gm_CtrlPtzCmd(channel, Cmd_Cancel);
 			usleep(100000);
 			srdt.ms_dev[devidx].SerialCmdidx = srdt.iLastGetPhotoNo;
@@ -2495,7 +2495,7 @@ int FindNextCameraPhotoCommand(int devidx)
 			return 1;
 		case 10011:     /* 远离物体(1 有效)*/
 			Gm_CtrlPtzCmd(channel, P_ZOOM_WIDE);
-			usleep(100000);
+			usleep(500000);
 			Gm_CtrlPtzCmd(channel, Cmd_Cancel);
 			usleep(100000);
 			srdt.ms_dev[devidx].SerialCmdidx = srdt.iLastGetPhotoNo;
@@ -2503,7 +2503,7 @@ int FindNextCameraPhotoCommand(int devidx)
 			return 1;
 		case 10012:     /* 接近物体(1 有效)*/
 			Gm_CtrlPtzCmd(channel, P_ZOOM_TELE);
-			usleep(100000);
+			usleep(500000);
 			Gm_CtrlPtzCmd(channel, Cmd_Cancel);
 			usleep(100000);
 			srdt.ms_dev[devidx].SerialCmdidx = srdt.iLastGetPhotoNo;