diff --git a/tools/run-mini2440-net-sdcard.bat b/tools/run-mini2440-net-sdcard.bat
index 6e6e06431a4110ed366a8866b8cf31f2cc8927c3..892967c36f1617fc42c2ea7f6a201a78b4b16ec6 100644
--- a/tools/run-mini2440-net-sdcard.bat
+++ b/tools/run-mini2440-net-sdcard.bat
@@ -1,2 +1,2 @@
 start qemu-system-arm.exe -M mini2440 -kernel ..\bsp\mini2440\rtthread-mini2440.axf -show-cursor -serial telnet:127.0.0.1:1200,server -net nic -net tap,ifname=virtual -sd SDCARD -serial file:virtualkbd
-telnet 127.0.0.1 1200
\ No newline at end of file
+start putty.exe telnet://127.0.0.1:1200/
diff --git a/tools/run-mini2440-sdcard.bat b/tools/run-mini2440-sdcard.bat
index 080f49ceca2956412821aad25df855617b409230..834cc1ba2d00be48f99e789c4ecf4e61b7117a8f 100644
--- a/tools/run-mini2440-sdcard.bat
+++ b/tools/run-mini2440-sdcard.bat
@@ -1,3 +1,3 @@
 start qemu-system-arm.exe -M mini2440 -kernel ..\bsp\mini2440\rtthread-mini2440.axf -show-cursor -sd SDCARD -serial telnet:127.0.0.1:1200,server -serial file:virtualkbd
-telnet 127.0.0.1 1200
+start putty.exe telnet://127.0.0.1:1200/