diff --git a/internal/core/src/segcore/segment_c.cpp b/internal/core/src/segcore/segment_c.cpp
index 6364891ccb..5bbb67513d 100644
--- a/internal/core/src/segcore/segment_c.cpp
+++ b/internal/core/src/segcore/segment_c.cpp
@@ -27,9 +27,6 @@ NewSegment(CCollection collection, SegmentType seg_type) {
 
     std::unique_ptr<milvus::segcore::SegmentInterface> segment;
     switch (seg_type) {
-        case Invalid:
-            std::cout << "invalid segment type" << std::endl;
-            break;
         case Growing:
             segment = milvus::segcore::CreateGrowingSegment(col->get_schema());
             break;
@@ -38,10 +35,10 @@ NewSegment(CCollection collection, SegmentType seg_type) {
             segment = milvus::segcore::CreateSealedSegment(col->get_schema());
             break;
         default:
-            std::cout << "invalid segment type" << std::endl;
+            LOG_SEGCORE_ERROR_ << "invalid segment type " << (int32_t)seg_type;
+            break;
     }
 
-    // std::cout << "create segment " << segment_id << std::endl;
     return (void*)segment.release();
 }