diff --git a/internal/core/src/indexbuilder/CMakeLists.txt b/internal/core/src/indexbuilder/CMakeLists.txt
index d2d6d1aa25..1449d2c23e 100644
--- a/internal/core/src/indexbuilder/CMakeLists.txt
+++ b/internal/core/src/indexbuilder/CMakeLists.txt
@@ -19,6 +19,11 @@ add_library(milvus_indexbuilder SHARED
         ${INDEXBUILDER_FILES}
         )
 
+set(PLATFORM_LIBS dl)
+if (MSYS)
+set(PLATFORM_LIBS )
+endif ()
+
 # link order matters
 target_link_libraries(milvus_indexbuilder
         milvus_config
@@ -28,7 +33,7 @@ target_link_libraries(milvus_indexbuilder
         knowhere
         tbb
         log
-        dl
+        ${PLATFORM_LIBS}
         pthread
         )
 
diff --git a/internal/core/src/log/CMakeLists.txt b/internal/core/src/log/CMakeLists.txt
index 45f2e364c0..5e490a575f 100644
--- a/internal/core/src/log/CMakeLists.txt
+++ b/internal/core/src/log/CMakeLists.txt
@@ -21,4 +21,9 @@ set(LOG_FILES   ${MILVUS_ENGINE_SRC}/log/Log.cpp
 add_library(log STATIC ${LOG_FILES})
 set_target_properties(log PROPERTIES RULE_LAUNCH_COMPILE "")
 set_target_properties(log PROPERTIES RULE_LAUNCH_LINK "")
+
+if(MSYS)
+target_link_libraries( log PRIVATE )
+else()
 target_link_libraries( log PRIVATE fiu )
+endif()
diff --git a/internal/core/src/log/Log.cpp b/internal/core/src/log/Log.cpp
index d5b23814a3..7e4f122017 100644
--- a/internal/core/src/log/Log.cpp
+++ b/internal/core/src/log/Log.cpp
@@ -17,6 +17,9 @@
 #include "log/Log.h"
 INITIALIZE_EASYLOGGINGPP
 
+#ifdef WIN32
+#include <Windows.h>
+#endif
 #include <chrono>
 #include <cstdarg>
 #include <cstdio>
@@ -65,6 +68,8 @@ get_now_timestamp() {
     return std::chrono::duration_cast<std::chrono::seconds>(now).count();
 }
 
+#ifndef WIN32
+
 int64_t
 get_system_boottime() {
     FILE* uptime = fopen("/proc/uptime", "r");
@@ -110,4 +115,24 @@ get_thread_start_timestamp() {
     }
 }
 
+#else
+
+#define WINDOWS_TICK 10000000
+#define SEC_TO_UNIX_EPOCH 11644473600LL
+
+int64_t
+get_thread_start_timestamp() {
+    FILETIME dummy;
+    FILETIME ret;
+
+    if (GetThreadTimes(GetCurrentThread(), &ret, &dummy, &dummy, &dummy)) {
+        auto ticks = Int64ShllMod32(ret.dwHighDateTime, 32) | ret.dwLowDateTime;
+        auto thread_started = ticks / WINDOWS_TICK - SEC_TO_UNIX_EPOCH;
+        return get_now_timestamp() - thread_started;
+    }
+    return 0;
+}
+
+#endif
+
 // }  // namespace milvus
diff --git a/internal/core/src/segcore/CMakeLists.txt b/internal/core/src/segcore/CMakeLists.txt
index d054594420..95281d051a 100644
--- a/internal/core/src/segcore/CMakeLists.txt
+++ b/internal/core/src/segcore/CMakeLists.txt
@@ -32,8 +32,13 @@ add_library(milvus_segcore SHARED
         ${SEGCORE_FILES}
         )
 
+set(PLATFORM_LIBS dl)
+if (MSYS)
+set(PLATFORM_LIBS )
+endif ()
+
 target_link_libraries(milvus_segcore
-        dl
+        ${PLATFORM_LIBS}
         log
         pthread
         tbb
diff --git a/internal/core/src/utils/CMakeLists.txt b/internal/core/src/utils/CMakeLists.txt
index 5479bde671..44592d6a39 100644
--- a/internal/core/src/utils/CMakeLists.txt
+++ b/internal/core/src/utils/CMakeLists.txt
@@ -15,4 +15,8 @@ aux_source_directory( ${MILVUS_ENGINE_SRC}/utils UTILS_FILES )
 
 add_library( milvus_utils STATIC ${UTILS_FILES} )
 
-target_link_libraries( milvus_utils PRIVATE fiu milvus_exceptions)
+if(MSYS)
+target_link_libraries( milvus_utils PRIVATE milvus_exceptions)
+else()
+target_link_libraries( milvus_utils PRIVATE fiu milvus_exceptions )
+endif()
diff --git a/internal/core/thirdparty/fiu/CMakeLists.txt b/internal/core/thirdparty/fiu/CMakeLists.txt
index 8099586305..60f3c83516 100644
--- a/internal/core/thirdparty/fiu/CMakeLists.txt
+++ b/internal/core/thirdparty/fiu/CMakeLists.txt
@@ -49,13 +49,18 @@ macro( build_fiu )
     add_dependencies(fiu fiu_ep)
 endmacro()
 
-build_fiu()
-
-install( FILES  ${INSTALL_DIR}/lib/libfiu.so
-                ${INSTALL_DIR}/lib/libfiu.so.0
-                ${INSTALL_DIR}/lib/libfiu.so.1.00
+if (WIN32)
+    # nothing
+    message("skip building fiu on windows")
+else ()
+    build_fiu()
+    install( FILES  ${INSTALL_DIR}/lib/libfiu.so
+        ${INSTALL_DIR}/lib/libfiu.so.0
+        ${INSTALL_DIR}/lib/libfiu.so.1.00
         DESTINATION lib )
+    get_target_property( var fiu INTERFACE_INCLUDE_DIRECTORIES )
+    message( STATUS ${var} )
+    set_directory_properties( PROPERTY INCLUDE_DIRECTORIES ${var} )
+endif ()
+
 
-get_target_property( var fiu INTERFACE_INCLUDE_DIRECTORIES )
-message( STATUS ${var} )
-set_directory_properties( PROPERTY INCLUDE_DIRECTORIES ${var} )
diff --git a/internal/querynode/load_index_info.go b/internal/querynode/load_index_info.go
index 7678a5978b..2387692558 100644
--- a/internal/querynode/load_index_info.go
+++ b/internal/querynode/load_index_info.go
@@ -65,7 +65,7 @@ func (li *LoadIndexInfo) appendIndexParam(indexKey string, indexValue string) er
 
 // appendFieldInfo appends fieldID to index
 func (li *LoadIndexInfo) appendFieldInfo(fieldID FieldID) error {
-	cFieldID := C.long(fieldID)
+	cFieldID := C.int64_t(fieldID)
 	status := C.AppendFieldInfo(li.cLoadIndexInfo, cFieldID)
 	return HandleCStatus(&status, "AppendFieldInfo failed")
 }
@@ -82,7 +82,7 @@ func (li *LoadIndexInfo) appendIndex(bytesIndex [][]byte, indexKeys []string) er
 
 	for i, byteIndex := range bytesIndex {
 		indexPtr := unsafe.Pointer(&byteIndex[0])
-		indexLen := C.long(len(byteIndex))
+		indexLen := C.int64_t(len(byteIndex))
 		binarySetKey := filepath.Base(indexKeys[i])
 		log.Debug("", zap.String("index key", binarySetKey))
 		indexKey := C.CString(binarySetKey)
diff --git a/internal/querynode/plan.go b/internal/querynode/plan.go
index 7fb5507adb..f608a505c5 100644
--- a/internal/querynode/plan.go
+++ b/internal/querynode/plan.go
@@ -98,7 +98,7 @@ func parseSearchRequest(plan *SearchPlan, searchRequestBlob []byte) (*searchRequ
 		return nil, errors.New("empty search request")
 	}
 	var blobPtr = unsafe.Pointer(&searchRequestBlob[0])
-	blobSize := C.long(len(searchRequestBlob))
+	blobSize := C.int64_t(len(searchRequestBlob))
 	var cPlaceholderGroup C.CPlaceholderGroup
 	status := C.ParsePlaceholderGroup(plan.cSearchPlan, blobPtr, blobSize, &cPlaceholderGroup)
 
diff --git a/internal/querynode/reduce.go b/internal/querynode/reduce.go
index 9aa52edd3d..f720ebb256 100644
--- a/internal/querynode/reduce.go
+++ b/internal/querynode/reduce.go
@@ -55,7 +55,7 @@ func reduceSearchResultsAndFillData(plan *SearchPlan, searchResults []*SearchRes
 		cSearchResults = append(cSearchResults, res.cSearchResult)
 	}
 	cSearchResultPtr := (*C.CSearchResult)(&cSearchResults[0])
-	cNumSegments := C.long(numSegments)
+	cNumSegments := C.int64_t(numSegments)
 
 	status := C.ReduceSearchResultsAndFillData(plan.cSearchPlan, cSearchResultPtr, cNumSegments)
 	if err := HandleCStatus(&status, "ReduceSearchResultsAndFillData failed"); err != nil {
@@ -71,7 +71,7 @@ func reorganizeSearchResults(searchResults []*SearchResult, numSegments int64) (
 	}
 	cSearchResultPtr := (*C.CSearchResult)(&cSearchResults[0])
 
-	var cNumSegments = C.long(numSegments)
+	var cNumSegments = C.int64_t(numSegments)
 	var cMarshaledHits C.CMarshaledHits
 
 	status := C.ReorganizeSearchResults(&cMarshaledHits, cSearchResultPtr, cNumSegments)
@@ -95,10 +95,10 @@ func (mh *MarshaledHits) getHitsBlob() ([]byte, error) {
 }
 
 func (mh *MarshaledHits) hitBlobSizeInGroup(groupOffset int64) ([]int64, error) {
-	cGroupOffset := (C.long)(groupOffset)
+	cGroupOffset := (C.int64_t)(groupOffset)
 	numQueries := C.GetNumQueriesPerGroup(mh.cMarshaledHits, cGroupOffset)
 	result := make([]int64, int64(numQueries))
-	cResult := (*C.long)(&result[0])
+	cResult := (*C.int64_t)(&result[0])
 	C.GetHitSizePerQueries(mh.cMarshaledHits, cGroupOffset, cResult)
 	return result, nil
 }
diff --git a/internal/querynode/segment.go b/internal/querynode/segment.go
index 9f744857b8..f85a86e2af 100644
--- a/internal/querynode/segment.go
+++ b/internal/querynode/segment.go
@@ -571,8 +571,8 @@ func (s *Segment) segmentPreInsert(numOfRecords int) (int64, error) {
 		return 0, nil
 	}
 	var offset int64
-	cOffset := (*C.long)(&offset)
-	status := C.PreInsert(s.segmentPtr, C.long(int64(numOfRecords)), cOffset)
+	cOffset := (*C.int64_t)(&offset)
+	status := C.PreInsert(s.segmentPtr, C.int64_t(int64(numOfRecords)), cOffset)
 	if err := HandleCStatus(&status, "PreInsert failed"); err != nil {
 		return 0, err
 	}
@@ -586,7 +586,7 @@ func (s *Segment) segmentPreDelete(numOfRecords int) int64 {
 	*/
 	s.segPtrMu.RLock()
 	defer s.segPtrMu.RUnlock() // thread safe guaranteed by segCore, use RLock
-	var offset = C.PreDelete(s.segmentPtr, C.long(int64(numOfRecords)))
+	var offset = C.PreDelete(s.segmentPtr, C.int64_t(int64(numOfRecords)))
 
 	return int64(offset)
 }
@@ -630,10 +630,10 @@ func (s *Segment) segmentInsert(offset int64, entityIDs *[]UniqueID, timestamps
 		copyOffset += sizeofPerRow
 	}
 
-	var cOffset = C.long(offset)
-	var cNumOfRows = C.long(numOfRow)
-	var cEntityIdsPtr = (*C.long)(&(*entityIDs)[0])
-	var cTimestampsPtr = (*C.ulong)(&(*timestamps)[0])
+	var cOffset = C.int64_t(offset)
+	var cNumOfRows = C.int64_t(numOfRow)
+	var cEntityIdsPtr = (*C.int64_t)(&(*entityIDs)[0])
+	var cTimestampsPtr = (*C.uint64_t)(&(*timestamps)[0])
 	var cSizeofPerRow = C.int(sizeofPerRow)
 	var cRawDataVoidPtr = unsafe.Pointer(&rawData[0])
 	log.Debug("QueryNode::Segment::InsertBegin", zap.Any("cNumOfRows", cNumOfRows))
@@ -672,10 +672,10 @@ func (s *Segment) segmentDelete(offset int64, entityIDs *[]UniqueID, timestamps
 		return errors.New("length of entityIDs not equal to length of timestamps")
 	}
 
-	var cOffset = C.long(offset)
-	var cSize = C.long(len(*entityIDs))
-	var cEntityIdsPtr = (*C.long)(&(*entityIDs)[0])
-	var cTimestampsPtr = (*C.ulong)(&(*timestamps)[0])
+	var cOffset = C.int64_t(offset)
+	var cSize = C.int64_t(len(*entityIDs))
+	var cEntityIdsPtr = (*C.int64_t)(&(*entityIDs)[0])
+	var cTimestampsPtr = (*C.uint64_t)(&(*timestamps)[0])
 
 	status := C.Delete(s.segmentPtr, cOffset, cSize, cEntityIdsPtr, cTimestampsPtr)
 	if err := HandleCStatus(&status, "Delete failed"); err != nil {
@@ -823,7 +823,7 @@ func (s *Segment) dropFieldData(fieldID int64) error {
 		return errors.New(errMsg)
 	}
 
-	status := C.DropFieldData(s.segmentPtr, C.long(fieldID))
+	status := C.DropFieldData(s.segmentPtr, C.int64_t(fieldID))
 	if err := HandleCStatus(&status, "DropFieldData failed"); err != nil {
 		return err
 	}
@@ -893,7 +893,7 @@ func (s *Segment) dropSegmentIndex(fieldID int64) error {
 		return errors.New(errMsg)
 	}
 
-	status := C.DropSealedSegmentIndex(s.segmentPtr, C.long(fieldID))
+	status := C.DropSealedSegmentIndex(s.segmentPtr, C.int64_t(fieldID))
 	if err := HandleCStatus(&status, "DropSealedSegmentIndex failed"); err != nil {
 		return err
 	}
diff --git a/internal/storage/cwrapper/CMakeLists.txt b/internal/storage/cwrapper/CMakeLists.txt
index 503d6256cb..445543be3c 100644
--- a/internal/storage/cwrapper/CMakeLists.txt
+++ b/internal/storage/cwrapper/CMakeLists.txt
@@ -115,8 +115,11 @@ macro( build_arrow )
     target_link_libraries(parquet INTERFACE arrow )
 endmacro()
 
-
-build_arrow()
+if (MSYS)
+    message("Using system arrow in msys")
+else ()
+    build_arrow()
+endif ()
 
 add_library(wrapper STATIC)
 target_sources(wrapper PUBLIC ParquetWrapper.cpp PayloadStream.cpp)
diff --git a/internal/storage/payload.go b/internal/storage/payload.go
index 57110c4503..0bb55e0b86 100644
--- a/internal/storage/payload.go
+++ b/internal/storage/payload.go
@@ -367,7 +367,7 @@ func NewPayloadReader(colType schemapb.DataType, buf []byte) (*PayloadReader, er
 	if len(buf) == 0 {
 		return nil, errors.New("create Payload reader failed, buffer is empty")
 	}
-	r := C.NewPayloadReader(C.int(colType), (*C.uint8_t)(unsafe.Pointer(&buf[0])), C.long(len(buf)))
+	r := C.NewPayloadReader(C.int(colType), (*C.uint8_t)(unsafe.Pointer(&buf[0])), C.int64_t(len(buf)))
 	if r == nil {
 		return nil, errors.New("failed to read parquet from buffer")
 	}