diff --git a/bin/build.sh b/bin/build.sh
index 197bca2..e0743ea 100755
--- a/bin/build.sh
+++ b/bin/build.sh
@@ -145,12 +145,16 @@ make_ocs_bin()
     if [ -z $bin_tag ]; then
         bin_tag="pncc"
     fi
+
+    # 如果是build cook版本且当前为Ubuntu22，则调用Ubuntu 12.04容器打包
+    if [ "$bin_tag" = "cook" ] && [ "$rel_os" = "ub22" ]; then
+        echo "Detected cook build on Ubuntu 22.04, switching to Ubuntu 12.04 container environment."
+        make_cook_ocs_bin_in_ub12
+        exit $?
+    fi
+
     cd $src_ocs_dir    
     if [ $bin_tag = "cook" ]; then
-        if [ $rel_os = "ub22" ]; then
-            echo "Ubuntu 22.04 is not supported"
-            exit 1
-        fi
         git checkout cook
         git pull
     else
@@ -172,6 +176,11 @@ make_ocs_bin()
     cd $OLDPWD
 }
 
+make_cook_ocs_bin_in_ub12()
+{
+    docker exec -it ubuntu12-dev /bin/bash -c "cd ~/ocs.git/build/bin && ./build.sh ocs -t cook"
+}
+
 make_cproxy_bin()
 {
     cd $src_cproxy_dir
@@ -218,7 +227,11 @@ pre_common_build()
 {
     test -d $deb_build_dir || mkdir -p $deb_build_dir
     cd $deb_build_dir
-    rm -rf *
+    current_dir=`pwd`
+    if [[ "$current_dir" =~ "debbuild" ]]; then
+        rm -rf *
+    fi
+    
     mkdir -p $deb_build_dir/DEBIAN
     cd $OLDPWD
 }