diff --git a/src/SocketInputStream.cpp b/src/SocketInputStream.cpp
index b735d64..383bd0e 100644
--- a/src/SocketInputStream.cpp
+++ b/src/SocketInputStream.cpp
@@ -154,7 +154,7 @@ namespace hgl
             size_t left_bytes = size;
 #endif//HGL_OS == HGL_OS_Windows
 
-//             const double start_time=GetDoubleTime();
+//             const double start_time=GetPreciseTime();
 
             while(left_bytes>0)
             {
@@ -212,7 +212,7 @@ namespace hgl
                 }
             }
 
-//             const double end_time=GetDoubleTime();
+//             const double end_time=GetPreciseTime();
 
 //             LOG_INFO(OS_TEXT("SocketInputStream::ReadFully() time: ")+OSString(end_time-start_time));
 
diff --git a/src/SocketOutputStream.cpp b/src/SocketOutputStream.cpp
index 2151a3f..e5621d7 100644
--- a/src/SocketOutputStream.cpp
+++ b/src/SocketOutputStream.cpp
@@ -101,7 +101,7 @@ namespace hgl
             const os_char *err_str;
             char *p=(char *)buf;
 
-//             const double start_time=GetDoubleTime();
+//             const double start_time=GetPreciseTime();
 
 #if HGL_OS == HGL_OS_Windows
             int result = 0;
@@ -156,7 +156,7 @@ namespace hgl
                 left_bytes-=result;
             }
 
-//             const double end_time=GetDoubleTime();
+//             const double end_time=GetPreciseTime();
 
 //             LOG_INFO(OS_TEXT("SocketOutputStream::WriteFully() time: ")+OSString(end_time-start_time));