Confirm environment

app/run.sh

@@ -10,6 +10,14 @@ www_dir="/var/lib/casaos/www"
 index_html="${www_dir}/index.html"
 index_html_bak="${index_html}.bak"
 
+# Confirm environment
+if [[ -f "$index_html" ]]; then
+  echo "Running on: CasaOS"
+else
+  echo "Not supported on current systems."
+  exit 0
+fi
+
 start() {
   echo "Starting..."
 
@@ -18,7 +26,7 @@ start() {
     echo "Creating directory ${mod_store_dir}"
     mkdir -p "$mod_store_dir"
     cp -r /app/mod/* "$mod_store_dir"
-    echo -e "Delete this folder and it will be recreated when the new version of the container is started.\n删除本文件夹，新版本容器启动时将重建。" >> "${mod_store_dir}/Get_New_MODs.txt"
+    echo -e "Delete this folder and it will be recreated when the new version of the container is started.\n删除本文件夹，新版本容器启动时将重建。" >>"${mod_store_dir}/Get_New_MODs.txt"
   fi
 
   # Process mapping directory