diff --git a/DlgMarker.cpp b/DlgMarker.cpp
index b776a45..520cf33 100644
--- a/DlgMarker.cpp
+++ b/DlgMarker.cpp
@@ -16,6 +16,11 @@ CDlgMarker::CDlgMarker(CWnd* pParent /*=NULL*/)
 	EnableVisualManagerStyle(TRUE, TRUE);
 
 	m_iSelectedIndex = -1;
+
+	for (int i=0;i<g_iMarkerPtNum;++i)
+	{
+		g_lMarkerLayerID[i] = -1;
+	}
 }
 
 CDlgMarker::~CDlgMarker()
@@ -106,9 +111,9 @@ void CDlgMarker::ShowMarkerCoordinate(double& markerLon, double& markerLat)
 void CDlgMarker::OnBnClickedButtonAddMarker()
 {
 	//最多支持20个标记点
-	if (g_iHaveMarkedPts >= 20)
+	if (g_iHaveMarkedPts >= 120)
 	{
-		BCGPMessageBoxEx(NULL,_T("最多支持20个标记点!"),_T("Tip"),MB_OK,MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US));
+		BCGPMessageBoxEx(NULL,_T("最多支持120个标记点!"),_T("Tip"),MB_OK,MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US));
 
 		return ;
 	}
diff --git a/GISDlg.cpp b/GISDlg.cpp
index e11b9c2..1af8e90 100644
--- a/GISDlg.cpp
+++ b/GISDlg.cpp
@@ -13,6 +13,7 @@
 #include "SetSaveLineID.h"
 #include "CUtils.h"
 
+
 //#include "8BMapDLL_type.h"
 
 #include <fstream>
@@ -2593,7 +2594,7 @@ void CGISDlg::MouseDownMap1(short Button, short Shift, long x, long y)
 						m_CircleGuideLayer = m_map.NewDrawing(1);
 					}
 
-					double radius = circleGuidenceDlg.g_radius/abs(2*M_PI*6371000*cos(m_guidePtInfo.guidePtLat*M_PI/180)/360);
+					double radius = circleGuidenceDlg.g_radius/abs(2*M_PI*6378137*cos(m_guidePtInfo.guidePtLat*M_PI/180)/360);
 
 					m_map.DrawWideCircleEx(m_CircleGuideLayer,m_guidePtInfo.guidePtLon,m_guidePtInfo.guidePtLat,radius,RGB(248,252,55),false,2);
 					m_map.Redraw();
@@ -7790,6 +7791,14 @@ void CGISDlg::ShowSaveZoneDlg(double* xPoints,double* yPoints)
 		OnShowGivenLine(filename);
 		m_map.Redraw();
 	}
+	else
+	{
+		if (m_tempZoneLayerID>=0)
+		{
+			m_map.RemoveLayer(m_tempZoneLayerID);
+			m_tempZoneLayerID = -1;
+		}
+	}
 	
 }
 
@@ -7864,12 +7873,14 @@ void CGISDlg::DrawRestrictedZone(long& layerID,double* xPoints,double* yPoints,i
 	if(type == 0){//限飞区黄色
 		pShapeDrawingOption->LineColor = RGB(250,173,20);
 		pShapeDrawingOption->FillColor = RGB(254,252,233);//RGB(244,206,199);
+		//pShapeDrawingOption->LineColor = RGB(212,212,252);
+		//pShapeDrawingOption->FillColor = RGB(0,255,255);//RGB(244,206,199);
 	}else if(type==1){ //禁飞区红色
 		pShapeDrawingOption->LineColor = RGB(220,38,38);
 		pShapeDrawingOption->FillColor = RGB(254,243,243);//RGB(244,206,199);
 	}
 	pShapeDrawingOption->LineWidth = 2;
-	pShapeDrawingOption->FillTransparency = 180; //透明度
+	pShapeDrawingOption->FillTransparency = 60; //透明度
 	(m_map.GetShapefile(layerID)).SetDefaultDrawingOptions(pShapeDrawingOption);
 };
 
diff --git a/Globe.h b/Globe.h
index af5b5a1..cc2e9de 100644
--- a/Globe.h
+++ b/Globe.h
@@ -260,7 +260,7 @@ extern long g_lDemPtNumLayerID[g_iDemAltPtNum];
 extern bool g_bSelectMarker;
 
 //最大支持的标记点数
-const int g_iMarkerPtNum = 20;
+const int g_iMarkerPtNum = 120;
 
 //标记点图层
 extern long g_lMarkerLayerID[g_iMarkerPtNum];