diff --git a/manifest.json b/manifest.json
index 95a3bd7..1b187d3 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,8 +3,8 @@
     "id": "luckysheet",
     "packaging_format": 1,
     "description": {
-        "en": "Online spreadsheet that is powerful, simple to configure, and completely open source.",
-        "fr": "Feuille de calcul en ligne, puissante, simple à configurer et entièrement open source."
+        "en": "Online spreadsheet that is powerful, simple to configure",
+        "fr": "Feuille de calcul en ligne, puissante, simple à configurer"
     },
     "version": "2.0.0~ynh3",
     "url": "https://github.com/mengshukeji/Luckysheet",
@@ -13,7 +13,7 @@
         "name": "eric_G"
     },
     "requirements": {
-        "yunohost": ">= 4.1.7"
+        "yunohost": ">= 4.3.0"
     },
     "multi_instance": false,
     "services": [
@@ -23,8 +23,7 @@
         "install" : [
             {
                 "name": "domain",
-                "type": "domain",
-                "example": "domain.org"
+                "type": "domain"
             },
             {
                 "name": "path",
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 7912aa4..b818f0f 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,7 +4,7 @@
 # COMMON VARIABLES
 #=================================================
 
-nodejs_version=14
+nodejs_version=16
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/install b/scripts/install
index 75015f9..3f432cc 100644
--- a/scripts/install
+++ b/scripts/install
@@ -99,11 +99,11 @@ ynh_add_nginx_config
 #==============================================
 ynh_script_progression --message="Building Luckysheet... (this will take some time and resources!)" --weight=20
 
-pushd "$final_path" || ynh_die
+pushd "$final_path"
 	ynh_use_nodejs
-	ynh_exec_warn_less ynh_npm install
-	ynh_exec_warn_less ynh_npm install gulp -g
-popd || ynh_die
+	ynh_exec_warn_less $ynh_npm install
+	ynh_exec_warn_less $ynh_npm install gulp -g
+popd
 
 #=================================================
 # MODIFY A CONFIG FILE
diff --git a/scripts/restore b/scripts/restore
index 6649250..9e2705c 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -35,8 +35,6 @@ final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 #=================================================
 ynh_script_progression --message="Validating restoration parameters..." --weight=2
 
-ynh_webpath_available --domain=$domain --path_url=$path_url \
-	|| ynh_die --message="Path not available: ${domain}${path_url}"
 test ! -d $final_path \
 	|| ynh_die --message="There is already a directory: $final_path "
 
diff --git a/scripts/upgrade b/scripts/upgrade
index a418f1e..0ffd634 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -111,11 +111,11 @@ if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Building Luckysheet... (this will take some time and resources!)" --weight=20
 
-	pushd "$final_path" || ynh_die
+	pushd "$final_path"
 		ynh_use_nodejs
-		ynh_npm install
-		ynh_npm install gulp -g
-	popd || ynh_die
+		ynh_exec_warn_less $ynh_npm install
+		ynh_exec_warn_less $ynh_npm install gulp -g
+	popd
 fi
 
 #=================================================
@@ -124,7 +124,6 @@ fi
 ynh_script_progression --message="Configuring a systemd service..." --weight=2
 
 ynh_replace_string --match_string="__ENV_PATH__" --replace_string="$PATH" --target_file="../conf/systemd.service"
-ynh_replace_string --match_string="__YNH_NPM__" --replace_string="$ynh_npm" --target_file="../conf/systemd.service"
 
 # Create a dedicated systemd config
 ynh_add_systemd_config