diff --git a/sourceCode/wheelArchHeigthMeasure.cpp b/sourceCode/wheelArchHeigthMeasure.cpp
index 7f36d4b..6d3d3fc 100644
--- a/sourceCode/wheelArchHeigthMeasure.cpp
+++ b/sourceCode/wheelArchHeigthMeasure.cpp
@@ -11,7 +11,8 @@
 //version 1.3.0 : 修正了寻找上下点使用固定门限的问题
 //version 1.3.1 : 添加了一个检测轮毂是否存在的函数 
 //version 1.3.2 : 针对不理想点云改进了算法，增强鲁棒性 
-std::string	m_strVersion = "1.3.2";
+//version 1.3.3 : 轮眉点的提取进行了改进，修正了可能的取点错误
+std::string	m_strVersion = "1.3.3";
 const char* wd_wheelArchHeigthMeasureVersion(void)
 {
 	return m_strVersion.c_str();
@@ -49,7 +50,7 @@ bool compareByPtSize(const SWD_clustersInfo& a, const SWD_clustersInfo& b) {
 }
 
 //提取轮眉区域的下端点
-void _getArcEndings(std::vector< std::vector<SVzNL3DPosition>>& scanLines, const int cluster_arc_id, std::vector<SVzNL2DPoint>& contourPts)
+void _getArcEndings(std::vector< std::vector<SVzNL3DPosition>>& scanLines, const int cluster_arc_id, std::vector<SVzNL2DPoint>& contourPts, double maxZ)
 {
 	int lineNum = (int)scanLines.size();
 	
@@ -61,7 +62,7 @@ void _getArcEndings(std::vector< std::vector<SVzNL3DPosition>>& scanLines, const
 		{
 			if ((i == 380) && (j > 288))
 				int kkk = 1;
-			if ( (scanLines[i][j].nPointIdx == cluster_arc_id) && (scanLines[i][j].pt3D.z >1e-4))
+			if ( (scanLines[i][j].nPointIdx == cluster_arc_id) && (scanLines[i][j].pt3D.z >1e-4) && (scanLines[i][j].pt3D.z < maxZ))
 				lastIdx = j;
 		}
 		if (lastIdx >= 0)
@@ -906,7 +907,7 @@ WD_wheelArchInfo wd_wheelArchHeigthMeasure(
 	//寻找轮眉点
 	//(1)快速寻找下端点（2）取中间区域，精确确定端点（3）抛物线拟合（4）计算轮眉点（最高点）
 	std::vector<SVzNL2DPoint> arcEndings;
-	_getArcEndings(scanLines, 2, arcEndings); //轮眉的ID是2
+	_getArcEndings(scanLines, 2, arcEndings, upWheelPt.z); //轮眉的ID是2
 	if (arcEndings.size() == 0)
 	{
 		*errCode = SX_ERR_INVALID_ARC;
diff --git a/wheelArchHeigthMeasure_test/wheelArchHeigthMeasure_test.cpp b/wheelArchHeigthMeasure_test/wheelArchHeigthMeasure_test.cpp
index 6ed16b4..f1f911f 100644
--- a/wheelArchHeigthMeasure_test/wheelArchHeigthMeasure_test.cpp
+++ b/wheelArchHeigthMeasure_test/wheelArchHeigthMeasure_test.cpp
@@ -2639,7 +2639,7 @@ void _outputScanDataFile_removeZeros(char* fileName, SVzNL3DLaserLine * scanData
 #define TEST_COMPUTE_WHEEL_ARCH		1
 #define TEST_COMPUTE_CALIB_PARA		0
 
-#define TEST_GROUP 2
+#define TEST_GROUP 6
 int main()
 {
 #if TEST_CONVERT_TO_GRID
@@ -2718,10 +2718,14 @@ int main()
 	const char* dataPath[TEST_GROUP] = {
 		"F:/ShangGu/椤圭洰/鍐犻挦_杞湁楂樺害娴嬮噺/娴嬭瘯鏁版嵁/鐜板満鏁版嵁/",  //0
 		"F:/ShangGu/椤圭洰/鍐犻挦_杞湁楂樺害娴嬮噺/娴嬭瘯鏁版嵁/閮ㄧ讲鐜板満鏁版嵁/",  //1
+		"F:/ShangGu/椤圭洰/鍐犻挦_杞湁楂樺害娴嬮噺/娴嬭瘯鏁版嵁/閮ㄧ讲鐜板満鏁版嵁2/11/",  //2
+		"F:/ShangGu/椤圭洰/鍐犻挦_杞湁楂樺害娴嬮噺/娴嬭瘯鏁版嵁/閮ㄧ讲鐜板満鏁版嵁2/13/",  //3
+		"F:/ShangGu/椤圭洰/鍐犻挦_杞湁楂樺害娴嬮噺/娴嬭瘯鏁版嵁/閮ㄧ讲鐜板満鏁版嵁2/15/",  //4
+		"F:/ShangGu/椤圭洰/鍐犻挦_杞湁楂樺害娴嬮噺/娴嬭瘯鏁版嵁/閮ㄧ讲鐜板満鏁版嵁2/17/",  //5
 	};
 
 	SVzNLRange fileIdx[TEST_GROUP] = {
-		{1,2}, {1,4}
+		{1,2}, {1,4}, {1,7}, {1,7}, {1,7},{1,7}
 	};
 
 	SSG_planeCalibPara poseCalibPara;
@@ -2745,14 +2749,14 @@ int main()
 	char _scan_file[256];
 
 	int endGroup = TEST_GROUP - 1;
-	for (int grp = 1; grp <= endGroup; grp++)
+	for (int grp = 2; grp <= endGroup; grp++)
 	{
 		char calibFile[250];
 		sprintf_s(calibFile, "%sground_calib_para.txt", dataPath[grp]);
 		poseCalibPara = _readCalibPara(calibFile);
 		for (int fidx = fileIdx[grp].nMin; fidx <= fileIdx[grp].nMax; fidx++)
 		{
-			//fidx = 4;
+			//fidx = 6;
 			sprintf_s(_scan_file, "%sLaserData_%d.txt", dataPath[grp], fidx);
 			std::vector<std::vector< SVzNL3DPosition>> scanData;
 			vzReadLaserScanPointFromFile_XYZ_vector(_scan_file, scanData);
@@ -2784,9 +2788,9 @@ int main()
 
 			SSG_treeGrowParam growParam;
 			growParam.maxLineSkipNum = 10;
-			growParam.yDeviation_max = 10.0;
+			growParam.yDeviation_max = 20.0;
 			growParam.maxSkipDistance = 10.0;
-			growParam.zDeviation_max = 10.0;// 
+			growParam.zDeviation_max = 20.0;// 
 			growParam.minLTypeTreeLen = 100; //mm
 			growParam.minVTypeTreeLen = 100; //mm