diff --git a/.gitignore b/.gitignore
index ca0cf47..57b5179 100644
--- a/.gitignore
+++ b/.gitignore
@@ -149,5 +149,5 @@ cython_debug/
 
 node_modules/
 package-lock.json
-/.chainlit
+.chainlit/
 chainlit.md
diff --git a/examples/README.md b/examples/README.md
index 98760aa..bcba968 100644
--- a/examples/README.md
+++ b/examples/README.md
@@ -10,6 +10,16 @@ Here we show you how to use isek to quickly build an agent, and how to build an
   isek setup
 ```
 
+## 1️⃣ Set Up Environment
+
+Create a `.env` file:
+
+```env
+OPENAI_MODEL_NAME=gpt-4o-mini
+OPENAI_BASE_URL=https://api.openai.com/v1
+OPENAI_API_KEY=your_api_key
+```
+
 ## 🧪 Understanding how ISEK works
 
 - 【LV1】Show you how to build a simple agent
diff --git a/examples/UI/chainlit/start_ui.py b/examples/UI/chainlit/start_ui.py
index f9e7a6a..2580684 100644
--- a/examples/UI/chainlit/start_ui.py
+++ b/examples/UI/chainlit/start_ui.py
@@ -101,8 +101,9 @@ def start_server():
     
     try:
         # Start the server in a subprocess
+        dirc = os.path.dirname(__file__)
         server_process = subprocess.Popen([
-            sys.executable, "examples/UI/chainlit/agent_server.py"
+            sys.executable, f"{dirc}/agent_server.py"
         ], stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
         # Wait a moment for server to start
         time.sleep(3)
@@ -130,8 +131,9 @@ def start_chainlit():
     
     try:
         # Start Chainlit in a subprocess
+        dirc = os.path.dirname(__file__)
         chainlit_process = subprocess.Popen([
-            sys.executable, "-m", "chainlit", "run", "examples/UI/chainlit/chainlit_app.py"
+            sys.executable, "-m", "chainlit", "run", f"{dirc}/chainlit_app.py"
         ])
         
         time.sleep(2)
diff --git a/isek/cli.py b/isek/cli.py
index 5e811cd..4a94f8d 100644
--- a/isek/cli.py
+++ b/isek/cli.py
@@ -3,9 +3,22 @@
 import importlib.util
 import subprocess
 import sys
+import shutil
+import platform
 from pathlib import Path
 
 
+def get_npm_command():
+    """
+    Returns the available npm executable path on the current platform
+    (supports Windows, Linux, and macOS).
+    """
+    if platform.system() == "Windows":
+        return shutil.which("npm.cmd") or shutil.which("npm")
+    else:
+        return shutil.which("npm")
+
+
 def load_module(script_path: Path):
     """Dynamically load module"""
     try:
@@ -104,7 +117,9 @@ def is_development_environment():
     # Step 2: Check if Node.js is installed
     try:
         subprocess.run(["node", "--version"], check=True, capture_output=True)
-        subprocess.run(["npm", "--version"], check=True, capture_output=True)
+        subprocess.run(
+            [get_npm_command(), "--version"], check=True, capture_output=True
+        )
     except (subprocess.CalledProcessError, FileNotFoundError):
         click.secho(
             "⚠️  Node.js and npm are required for P2P functionality", fg="yellow"
@@ -118,7 +133,7 @@ def is_development_environment():
         click.secho("📦 Installing JavaScript dependencies for P2P...", fg="yellow")
         try:
             subprocess.check_call(
-                ["npm", "install"],
+                [get_npm_command(), "install"],
                 cwd=p2p_dir,
                 stdout=subprocess.DEVNULL,
                 stderr=subprocess.DEVNULL,