diff --git a/debbuild/22.04/DEBIAN/postinst b/debbuild/22.04/DEBIAN/postinst
index e8a73b5..54a27c5 100644
--- a/debbuild/22.04/DEBIAN/postinst
+++ b/debbuild/22.04/DEBIAN/postinst
@@ -54,7 +54,10 @@ done
 
 # Install redis db if not exist /usr/local/db
 if [ ! -e "${RedisRootDir}/bin/redis-server" ]; then
-    cp -rf ${DependsRootDir}/redis /usr/local/db
+    if [ ! -e "${RedisRootDir}" ]; then
+        mkdir -p ${RedisRootDir}
+    fi
+    cp -rf ${DependsRootDir}/redis/* ${RedisRootDir}
     chmod +rx /usr/local/db/bin/*
     if [ ! -e "${RedisConfDir}/redis.conf" ]; then    
         cp ${RedisConfDir}/default/redis.conf ${RedisConfDir}; 
diff --git a/debbuild/DEBIAN/postinst b/debbuild/DEBIAN/postinst
index fd00bd5..1fdafb6 100644
--- a/debbuild/DEBIAN/postinst
+++ b/debbuild/DEBIAN/postinst
@@ -54,7 +54,10 @@ done
 
 # Install redis db if not exist /usr/local/db
 if [ ! -e "${RedisRootDir}/bin/redis-server" ]; then
-    cp -rf ${DependsRootDir}/redis /usr/local/db
+    if [ ! -e "${RedisRootDir}" ]; then
+        mkdir -p ${RedisRootDir}
+    fi
+    cp -rf ${DependsRootDir}/redis/* ${RedisRootDir}
     chmod +rx ${RedisRootDir}/bin/*
     if [ ! -e "${RedisConfDir}/redis.conf" ]; then    
         cp ${RedisConfDir}/default/redis.conf ${RedisConfDir};