diff --git a/fibjs/src/console/console_std.cpp b/fibjs/src/console/console_std.cpp
index 3b859e70d1..b0b3c5efc2 100644
--- a/fibjs/src/console/console_std.cpp
+++ b/fibjs/src/console/console_std.cpp
@@ -21,12 +21,8 @@ void std_logger::out(exlib::string& txt)
         color_out()
         {
             tty_base::isatty(_fileno(stdout), m_tty);
-
-            if (!m_tty) {
-                m_handle = GetStdHandle(STD_OUTPUT_HANDLE);
-                m_Now = m_wAttr = 0x7;
-                m_wLight = m_wAttr & FOREGROUND_INTENSITY;
-            }
+            m_handle = NULL;
+            m_ansi = false;
         }
 
         void WriteConsole(exlib::wchar* ptr, size_t sz)
@@ -43,6 +39,17 @@ void std_logger::out(exlib::string& txt)
             }
         }
 
+        void set_ansi()
+        {
+            DWORD consoleMode = 0;
+
+            GetConsoleMode(m_handle, &consoleMode);
+            if ((consoleMode & ENABLE_VIRTUAL_TERMINAL_PROCESSING) == ENABLE_VIRTUAL_TERMINAL_PROCESSING)
+                m_ansi = true;
+            else if (SetConsoleMode(m_handle, consoleMode | ENABLE_VIRTUAL_TERMINAL_PROCESSING))
+                m_ansi = true;
+        }
+
         void out(exlib::string& s)
         {
             static HANDLE s_console;
@@ -54,13 +61,19 @@ void std_logger::out(exlib::string& txt)
 
             if (!m_handle) {
                 if (!s_console) {
-                    AllocConsole();
+                    s_console = GetStdHandle(STD_OUTPUT_HANDLE);
 
-                    freopen("CONIN$", "r", stdin);
-                    freopen("CONOUT$", "w", stdout);
-                    freopen("CONOUT$", "w", stderr);
+                    if (s_console == NULL) {
+                        AllocConsole();
 
-                    s_console = GetStdHandle(STD_OUTPUT_HANDLE);
+                        s_console = GetStdHandle(STD_OUTPUT_HANDLE);
+                        set_ansi();
+
+                        freopen("CONIN$", "r", stdin);
+                        freopen("CONOUT$", "w", stdout);
+                        freopen("CONOUT$", "w", stderr);
+                    } else
+                        set_ansi();
                 }
 
                 m_handle = s_console;
@@ -74,6 +87,11 @@ void std_logger::out(exlib::string& txt)
             exlib::wchar* ptr1;
             exlib::wchar* ptr2;
 
+            if (m_ansi) {
+                WriteConsole(ptr, ws.length());
+                return;
+            }
+
             while (ptr1 = (exlib::wchar*)qstrstr(ptr, L"\x1b[")) {
                 for (ptr2 = ptr1 + 2; *ptr2 == ';' || qisdigit(ptr2[0]); ptr2++)
                     ;
@@ -131,6 +149,7 @@ void std_logger::out(exlib::string& txt)
         WORD m_wAttr, m_Now;
         WORD m_wLight;
         bool m_tty;
+        bool m_ansi;
     };
 
     static color_out s_out;
diff --git a/fibjs/src/console/tty.cpp b/fibjs/src/console/tty.cpp
index 9a02af9ba0..93a0422abf 100644
--- a/fibjs/src/console/tty.cpp
+++ b/fibjs/src/console/tty.cpp
@@ -10,12 +10,20 @@ DECLARE_MODULE(tty);
 
 result_t tty_base::isatty(int32_t fd, bool& retVal)
 {
+#ifndef _WIN32
     if (fd < 0)
         return CHECK_ERROR(CALL_E_INVALID_CALL);
 
-#ifndef _WIN32
     int32_t hr = ::isatty(fd);
 #else
+    if (fd == -2) {
+        retVal = true;
+        return 0;
+    }
+
+    if (fd < 0)
+        return CHECK_ERROR(CALL_E_INVALID_CALL);
+
     int32_t hr = _isatty(fd);
     if (hr == FALSE && _lseek(fd, 0, SEEK_CUR) < 0)
         hr = TRUE;