diff --git a/BaseTool/BaseTool.cpp b/BaseTool/BaseTool.cpp
index 5ea4ed0..1bd39f3 100644
--- a/BaseTool/BaseTool.cpp
+++ b/BaseTool/BaseTool.cpp
@@ -772,4 +772,25 @@ TimestampMicroseconds parseAndConvert( std::string dateTimeStr) {
 	return { msecsSinceEpoch, microseconds };
 }
 
+bool BASECONSTVARIABLEAPI convertBitsPerSample(const char* bitsPerSampleVal, int32_t& result)
+{
+	char* endPtr;
+	errno = 0; // 重置错误标志
+	long longVal = std::strtol(bitsPerSampleVal, &endPtr, 10); // 十进制转换
+
+	// 检查转换错误
+	if (bitsPerSampleVal == endPtr) {
+		return false; // 无有效字符
+	}
+	if (errno == ERANGE || longVal < INT32_MIN || longVal > INT32_MAX) {
+		return false; // 数值溢出
+	}
+	if (*endPtr != '\0') {
+		return false; // 含非数字字符
+	}
+
+	result = static_cast<int32_t>(longVal);
+	return true; // 成功
+}
+
 
diff --git a/BaseTool/BaseTool.h b/BaseTool/BaseTool.h
index 6ad57ff..7e4550d 100644
--- a/BaseTool/BaseTool.h
+++ b/BaseTool/BaseTool.h
@@ -145,6 +145,7 @@ int  BASECONSTVARIABLEAPI daysInMonth(int year, int month);
 
 TimestampMicroseconds BASECONSTVARIABLEAPI parseAndConvert(  std::string  dateTimeStr);
 
+bool BASECONSTVARIABLEAPI convertBitsPerSample(const char* bitsPerSampleVal, int32_t& result);
 
 /** 模板函数类 ***********************************************************************************************************/
 
diff --git a/BaseTool/FileOperator.cpp b/BaseTool/FileOperator.cpp
index 1d543cc..7422a86 100644
--- a/BaseTool/FileOperator.cpp
+++ b/BaseTool/FileOperator.cpp
@@ -295,7 +295,7 @@ bool BASECONSTVARIABLEAPI createNewFolerPath(QString inpath, bool isremoveExist)
 	return true;
 }
 
-QFileInfoList   findFilePath(const QString& strFilePath, const QString& strNameFilters)
+QFileInfoList   findFilePath(const QString& strFilePath, const QString& strNameFilters, QDirIterator::IteratorFlag flag)
 {
 	QFileInfoList fileList;
 	if (strFilePath.isEmpty() || strNameFilters.isEmpty())
@@ -308,7 +308,7 @@ QFileInfoList   findFilePath(const QString& strFilePath, const QString& strNameF
 	filters << strNameFilters;
 	dir.setPath(strFilePath);
 	dir.setNameFilters(filters);
-	QDirIterator iter(dir, QDirIterator::Subdirectories);
+	QDirIterator iter(dir, flag);
 	while (iter.hasNext())
 	{
 		iter.next();
diff --git a/BaseTool/FileOperator.h b/BaseTool/FileOperator.h
index 8d197b6..1f727d6 100644
--- a/BaseTool/FileOperator.h
+++ b/BaseTool/FileOperator.h
@@ -17,6 +17,7 @@
 #include <QFile>
 #include <QDebug>
 #include <QFileInfoList>
+#include <QDirIterator>
 
 
 bool   BASECONSTVARIABLEAPI	  isDirectory(const QString& path);
@@ -59,6 +60,6 @@ bool   BASECONSTVARIABLEAPI	copyAndReplaceFile(const QString& sourceFilePath, co
 bool BASECONSTVARIABLEAPI unTarfile(QString inTargzPath,QString outGzFolderPath);
 bool BASECONSTVARIABLEAPI createNewFolerPath(QString inpath, bool isremoveExist = false);
 
-QFileInfoList BASECONSTVARIABLEAPI findFilePath(const QString& dirPath, const QString& pattern);
+QFileInfoList BASECONSTVARIABLEAPI findFilePath(const QString& dirPath, const QString& pattern, QDirIterator::IteratorFlag flag= QDirIterator::IteratorFlag::Subdirectories);
 
 #endif
\ No newline at end of file
diff --git a/BaseTool/gdalImageOperator.cpp b/BaseTool/gdalImageOperator.cpp
index e596e8e..72d6236 100644
--- a/BaseTool/gdalImageOperator.cpp
+++ b/BaseTool/gdalImageOperator.cpp
@@ -232,9 +232,10 @@ Eigen::MatrixXd gdalImage::getData(int start_row, int start_col, int rows_count,
 	else {
 	}
 	GDALClose((GDALDatasetH)rasterDataset);
+	GDALDestroy(); // or, DllMain at DLL_PROCESS_DETACH
 	omp_unset_lock(&lock);	 // �ͷŻ���
 	omp_destroy_lock(&lock); // �ٻ���
-	GDALDestroy(); // or, DllMain at DLL_PROCESS_DETACH
+
 	return datamatrix;
 }
 
@@ -361,9 +362,10 @@ Eigen::MatrixXf gdalImage::getDataf(int start_row, int start_col, int rows_count
 	else {
 	}
 	GDALClose((GDALDatasetH)rasterDataset);
+	GDALDestroy(); // or, DllMain at DLL_PROCESS_DETACH
 	omp_unset_lock(&lock);	 // �ͷŻ���
 	omp_destroy_lock(&lock); // �ٻ���
-	GDALDestroy(); // or, DllMain at DLL_PROCESS_DETACH
+
 	return datamatrix;
 }
 
@@ -490,9 +492,10 @@ Eigen::MatrixXi gdalImage::getDatai(int start_row, int start_col, int rows_count
 	else {
 	}
 	GDALClose((GDALDatasetH)rasterDataset);
+	GDALDestroy(); // or, DllMain at DLL_PROCESS_DETACH
 	omp_unset_lock(&lock);	 // �ͷŻ���
 	omp_destroy_lock(&lock); // �ٻ���
-	GDALDestroy(); // or, DllMain at DLL_PROCESS_DETACH
+
 	return datamatrix;
 }
 
@@ -521,6 +524,7 @@ ErrorCode gdalImage::getData(double* data, int start_row, int start_col, int row
 		state = ErrorCode::FAIL;
 	}
 	GDALClose((GDALDatasetH)rasterDataset);
+	GDALDestroy(); // or, DllMain at DLL_PROCESS_DETACH
 	omp_unset_lock(&lock);	 // �ͷŻ���
 	omp_destroy_lock(&lock); // �ٻ���
 	return state;
@@ -549,6 +553,7 @@ ErrorCode gdalImage::getData(long* data, int start_row, int start_col, int rows_
 		state = ErrorCode::FAIL;
 	}
 	GDALClose((GDALDatasetH)rasterDataset);
+	GDALDestroy(); // or, DllMain at DLL_PROCESS_DETACH
 	omp_unset_lock(&lock);	 // �ͷŻ���
 	omp_destroy_lock(&lock); // �ٻ���
 	return state;