diff --git a/install_nginx.sh b/install_nginx.sh
index c167b27..aa2e47d 100644
--- a/install_nginx.sh
+++ b/install_nginx.sh
@@ -103,6 +103,10 @@ if [[ "$nginx_ver" < $nginx_target_ver ]] || [[ "$1" == '--force' ]] || [[ "$ins
     else
         nginx_conf_exist="0"
     fi
+    nginx_org_path="$(which nginx)"
+    if [[ ! -z "$nginx_org_path" ]]; then
+        rm -f $nginx_org_path
+    fi
     #Build nginx and install
     sudo bash -l -c "
         cd /root && \