diff --git a/profiles/win/profile b/profiles/win/profile
index 8bd9ee5..495b431 100644
--- a/profiles/win/profile
+++ b/profiles/win/profile
@@ -80,6 +80,9 @@ function c3tool() {
         update_res=true
         update_libs=true
         ;;
+      --release)
+        export CMAKE_BUILD_TYPE=release
+        ;;
     esac
   done
 
@@ -87,10 +90,12 @@ function c3tool() {
   case "$cmd" in
     b|build)
       if $force; then
-        printf "[BUILD] 清理make文件:" && rm -rf CMakeCache.txt CMakeFiles Makefile cmake_install.cmake compile_commands.json augustus* && \
+        printf "[BUILD] 清理make文件:" && rm -rf CMakeCache.txt CMakeFiles Makefile cmake_install.cmake compile_commands.json augustus* .cmake && \
         echo "Done"
       fi
 
+      printf "evn: - CMAKE_BUILD_TYPE=$CMAKE_BUILD_TYPE\n\n"
+
       # cmake
       if [[ ! -f "Makefile" ]]; then
         exec_str="cmake .. -G \"MinGW Makefiles\"" && eval $exec_str
@@ -147,7 +152,7 @@ function c3tool() {
     echo "[Err] Invalid cmd: $cmd"
     echo
     echo "Usage:"
-    echo " - c3tool build|b [-r -l -f -a]"
+    echo " - c3tool build|b [-r -l -f -a --release]"
     echo " - c3tool clean|c"
     return 1
   esac