diff --git a/.gitignore b/.gitignore
index 499537e..3084831 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,4 +33,5 @@
 
 build
 # vcpkg
-vcpkg
\ No newline at end of file
+vcpkg
+.vscode
diff --git a/bcos-utilities/BoostLogInitializer.cpp b/bcos-utilities/BoostLogInitializer.cpp
index 543a7f6..5aa569f 100644
--- a/bcos-utilities/BoostLogInitializer.cpp
+++ b/bcos-utilities/BoostLogInitializer.cpp
@@ -27,8 +27,6 @@
 #include <boost/log/core/core.hpp>
 #include <boost/log/support/date_time.hpp>
 #include <boost/log/utility/setup/common_attributes.hpp>
-#include <algorithm>
-#include <string>
 
 using namespace bcos;
 
@@ -128,34 +126,16 @@ void BoostLogInitializer::initStatLog(
 void BoostLogInitializer::initLog(boost::property_tree::ptree const& _pt,
     std::string const& _logger, std::string const& _logPrefix)
 {
-    // replace ~ with %, because only % is used as escape character in boost log
-    char toReplace = '`';
-    char replacement = '%';
-
     m_running.store(true);
     // get log level
     m_logLevel = getLogLevel(_pt.get<std::string>("log.level", "info"));
     m_consoleLog = _pt.get<bool>("log.enable_console_output", false);
-
     m_logFormat = _pt.get<std::string>("log.format", "");
-    std::replace_if(
-        m_logFormat.begin(), m_logFormat.end(), [&toReplace](char c) { return c == toReplace; },
-        replacement);
-
     m_logNamePattern = _pt.get<std::string>("log.log_name_pattern", "log_%Y%m%d_%H%M.log");
-    std::replace_if(
-        m_logNamePattern.begin(), m_logNamePattern.end(),
-        [&toReplace](char c) { return c == toReplace; }, replacement);
-
     m_compressArchive = _pt.get<bool>("log.compress_archive_file", false);
     m_archivePath = _pt.get<std::string>("log.archive_path", "");
-
     m_rotateFileNamePattern =
         _pt.get<std::string>("log.rotate_name_pattern", "log_%Y%m%d%H.%M.log");
-    std::replace_if(
-        m_rotateFileNamePattern.begin(), m_rotateFileNamePattern.end(),
-        [&toReplace](char c) { return c == toReplace; }, replacement);
-
     m_rotateSize = _pt.get<uint64_t>("log.max_log_file_size", 1024) * MB_IN_BYTES;
     if (m_rotateSize < 100 * MB_IN_BYTES)
     {