diff --git a/core/common/BoostRegexValidator.cpp b/core/common/BoostRegexValidator.cpp
index 6a43c4fa13..b3a8fd872e 100644
--- a/core/common/BoostRegexValidator.cpp
+++ b/core/common/BoostRegexValidator.cpp
@@ -89,17 +89,17 @@ int main(int argc, char* argv[]) // argv is logFile,logBeginReg,logRegex
         }
     } else {
         Json::Value jsonResult;
-        Json::FastWriter jsonWriter;
         jsonResult["result"]["state"] = false;
         jsonResult["result"]["content"] = "argument's format is not correct";
-        cout << jsonWriter.write(jsonResult);
+        Json::StreamWriterBuilder writerBuilder;
+        cout << Json::writeString(writerBuilder, jsonResult);
     }
     return 0;
 }
 void checkFilterRegex(const string& logFile, const string& logRegex) {
     Json::Value jsonResult;
     Json::Value jsonRoot;
-    Json::FastWriter jsonWriter;
+    Json::StreamWriterBuilder writerBuilder;
     try {
         boost::regex reg(logRegex);
         boost::match_results<const char*> what;
@@ -111,12 +111,12 @@ void checkFilterRegex(const string& logFile, const string& logRegex) {
             jsonRoot["content"] = what.str();
         }
         jsonResult["result"] = jsonRoot;
-        cout << jsonWriter.write(jsonResult);
+        cout << Json::writeString(writerBuilder, jsonResult);
     } catch (boost::regex_error& e) {
         jsonRoot["state"] = "error";
         jsonRoot["content"] = "过滤正则表达式错误!";
         jsonResult["result"] = jsonRoot;
-        cout << jsonWriter.write(jsonResult);
+        cout << Json::writeString(writerBuilder, jsonResult);
         return;
     }
 }
@@ -124,7 +124,7 @@ void checkFilterRegex(const string& logFile, const string& logRegex) {
 void checkRegex(const string& logFile, const string& logBeginReg, const string& logRegex) {
     Json::Value jsonResult;
     Json::Value jsonRoot;
-    Json::FastWriter jsonWriter;
+    Json::StreamWriterBuilder writerBuilder;
     try {
         boost::regex reg(logRegex);
         boost::match_results<const char*> what;
@@ -151,18 +151,18 @@ void checkRegex(const string& logFile, const string& logBeginReg, const string&
             jsonRoot["content"] = content;
         }
         jsonResult["result"] = jsonRoot;
-        cout << jsonWriter.write(jsonResult);
+        cout << Json::writeString(writerBuilder, jsonResult);
     } catch (boost::regex_error& e) {
         jsonRoot["state"] = "error";
         jsonRoot["content"] = "日志内容正则表达式错误!";
         jsonResult["result"] = jsonRoot;
-        cout << jsonWriter.write(jsonResult);
+        cout << Json::writeString(writerBuilder, jsonResult);
         return;
     }
 }
 
 vector<string> checkLogBeginReg(const string& logFile, const string& logBeginReg, const bool display) {
-    Json::FastWriter jsonWriter;
+    Json::StreamWriterBuilder writerBuilder;
     Json::Value jsonRoot;
     Json::Value jsonResult;
     Json::Value jsonPosition;
@@ -203,13 +203,13 @@ vector<string> checkLogBeginReg(const string& logFile, const string& logBeginReg
         jsonRoot["result"]["position"] = jsonPosition;
 
         if (display)
-            cout << jsonWriter.write(jsonRoot);
+            cout << Json::writeString(writerBuilder, jsonRoot);
         return outputVector;
     } catch (boost::regex_error& e) {
         jsonRoot["state"] = "error";
         jsonRoot["content"] = "日志起始匹配正则表达式错误!";
         jsonResult["result"] = jsonRoot;
-        cout << jsonWriter.write(jsonResult);
+        cout << Json::writeString(writerBuilder, jsonResult);
         return resultVector;
     }
 }
diff --git a/core/common/Lock.h b/core/common/Lock.h
index b88da245ab..3f90e4ed82 100644
--- a/core/common/Lock.h
+++ b/core/common/Lock.h
@@ -16,6 +16,12 @@
 
 #pragma once
 #include <mutex>
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
+#include <boost/concept_check.hpp>
+#include <boost/range/algorithm/equal.hpp>
+#include <boost/range/size.hpp>
+#pragma GCC diagnostic pop
 #include <boost/thread.hpp>
 #include <boost/smart_ptr/detail/spinlock.hpp>
 #ifdef _MSC_VER
diff --git a/core/observer/metas/ConnectionMetaManager.cpp b/core/observer/metas/ConnectionMetaManager.cpp
index 462529a0c5..5def0db777 100644
--- a/core/observer/metas/ConnectionMetaManager.cpp
+++ b/core/observer/metas/ConnectionMetaManager.cpp
@@ -358,6 +358,10 @@ bool ExtractDiagMsg(const inet_diag_msg& msg,
                                            .IPV4 = msg.id.idiag_dst[0],
                                        }};
     } else if (msg.idiag_family == AF_INET6) {
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wstrict-aliasing"
+#endif // __GNUC__
         info->localAddr = SockAddress{.Type = SockAddressType_IPV6,
                                       .Addr = SockAddressDetail{
                                           .IPV6 = {((uint64_t*)msg.id.idiag_src)[0], ((uint64_t*)msg.id.idiag_src)[1]},
@@ -366,6 +370,9 @@ bool ExtractDiagMsg(const inet_diag_msg& msg,
                                        .Addr = SockAddressDetail{
                                            .IPV6 = {((uint64_t*)msg.id.idiag_dst)[0], ((uint64_t*)msg.id.idiag_dst)[1]},
                                        }};
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif // __GNUC__
     }
     infos.insert(std::make_pair(inode, info));
     return true;
diff --git a/core/pipeline/PipelineManager.cpp b/core/pipeline/PipelineManager.cpp
index 23fa291329..56c023f57e 100644
--- a/core/pipeline/PipelineManager.cpp
+++ b/core/pipeline/PipelineManager.cpp
@@ -37,7 +37,10 @@ namespace logtail {
 void logtail::PipelineManager::UpdatePipelines(ConfigDiff& diff) {
 #ifndef APSARA_UNIT_TEST_MAIN
     // 过渡使用
-    static bool isInputFileStarted = false, isInputObserverStarted = false, isInputStreamStarted = false;
+    static bool isInputFileStarted = false, isInputObserverStarted = false;
+#if defined(__ENTERPRISE__) && defined(__linux__) && !defined(__ANDROID__)
+    static bool isInputStreamStarted = false;
+#endif
     bool isInputObserverChanged = false, isInputFileChanged = false, isInputStreamChanged = false;
     for (const auto& name : diff.mRemoved) {
         CheckIfInputUpdated(mPipelineNameEntityMap[name]->GetConfig()["inputs"][0],
diff --git a/core/processor/ProcessorSPL.cpp b/core/processor/ProcessorSPL.cpp
index 67580233b9..b35a21da20 100644
--- a/core/processor/ProcessorSPL.cpp
+++ b/core/processor/ProcessorSPL.cpp
@@ -17,13 +17,16 @@
 #include "processor/ProcessorSPL.h"
 
 #include <curl/curl.h>
+#ifdef FMT_HEADER_ONLY
+#undef FMT_HEADER_ONLY
+#endif
 #include <spl/logger/Logger.h>
 #include <spl/pipeline/SplPipeline.h>
 
 #include <iostream>
 
-#include "common/ParamExtractor.h"
 #include "common/Flags.h"
+#include "common/ParamExtractor.h"
 #include "logger/Logger.h"
 #include "monitor/MetricConstants.h"
 #include "spl/PipelineEventGroupInput.h"
diff --git a/core/sdk/Common.cpp b/core/sdk/Common.cpp
index 056e8456be..cade8269c0 100644
--- a/core/sdk/Common.cpp
+++ b/core/sdk/Common.cpp
@@ -198,7 +198,7 @@ namespace sdk {
     }
 
     static unsigned char FromHex(unsigned char x) {
-        unsigned char y;
+        unsigned char y = '\0';
         if (x >= 'A' && x <= 'Z')
             y = x - 'A' + 10;
         else if (x >= 'a' && x <= 'z')
diff --git a/core/unittest/CMakeLists.txt b/core/unittest/CMakeLists.txt
index 50dae932be..2518b63c88 100644
--- a/core/unittest/CMakeLists.txt
+++ b/core/unittest/CMakeLists.txt
@@ -22,6 +22,12 @@ if (MSVC)
     add_definitions(-DNOMINMAX)
 endif ()
 add_library(${PROJECT_NAME} STATIC ${ALL_SOURCE_FILES})
+if(MSVC)
+    # For MSVC, use /W4 for a high level of warnings, and treat warnings as errors.
+    # target_compile_options(${PROJECT_NAME} PRIVATE /W4 /WX)
+else()
+    target_compile_options(${PROJECT_NAME} PRIVATE -Werror)
+endif()
 link_jsoncpp(${PROJECT_NAME})
 link_yamlcpp(${PROJECT_NAME})
 link_boost(${PROJECT_NAME})