diff --git a/src/contributes/commands.ts b/src/contributes/commands.ts
index 9424273..a24a866 100644
--- a/src/contributes/commands.ts
+++ b/src/contributes/commands.ts
@@ -6,17 +6,32 @@ import * as childProcess from 'child_process';
 import { DevChatViewProvider } from '../panel/devchatView';
 import ExtensionContextHolder from '../util/extensionContext';
 
+import * as process from 'process';
 
-export function checkDevChatDependency() {
-	// 执行系统命令，检查依赖程序是否已经安装
-	try {
-	  const result = childProcess.execSync('devchat --help');
-	  // 命令执行成功，依赖程序已经安装
-	  return true;
-	} catch (error) {
-	  // 命令执行失败，依赖程序未安装
-	  return false;
-	}
+export function checkDevChatDependency(): boolean {
+  try {
+    // 获取pipx环境信息
+    const pipxEnvOutput = childProcess.execSync('python3 -m pipx environment').toString();
+    const binPathRegex = /PIPX_BIN_DIR=\s*(.*)/;
+
+    // 提取BIN路径
+    const match = pipxEnvOutput.match(binPathRegex);
+    if (match && match[1]) {
+      const binPath = match[1];
+
+      // 将BIN路径添加到环境变量中
+      process.env.PATH = `${binPath}:${process.env.PATH}`;
+
+      // 检查devchat是否已经安装
+      childProcess.execSync('devchat --help');
+      return true;
+    } else {
+      return false;
+    }
+  } catch (error) {
+    // 命令执行失败，依赖程序未安装或其他异常
+    return false;
+  }
 }
 
 export async function checkOpenAiAPIKey() {
diff --git a/src/extension.ts b/src/extension.ts
index 953a61c..304dab5 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -85,7 +85,7 @@ function activate(context: vscode.ExtensionContext) {
 		if (devchatStatus === 'not ready') {
 			// auto install devchat
 			const terminal = vscode.window.createTerminal("DevChat Install");
-			terminal.sendText("pip3 install --upgrade devchat");
+			terminal.sendText(`python ${context.extensionUri.fsPath+"/tools/install.py"}`);
 			terminal.show();
 			devchatStatus = 'waiting install devchat';
 		}
diff --git a/tools/install.py b/tools/install.py
new file mode 100644
index 0000000..090cf41
--- /dev/null
+++ b/tools/install.py
@@ -0,0 +1,60 @@
+import os
+import subprocess
+import sys
+
+def check_pipx_installed():
+    try:
+        subprocess.run(["pipx", "--version"], check=True)
+        return True
+    except Exception as e:
+        return False
+
+def install_pipx():
+    print("Installing pipx...")
+    try:
+        subprocess.run(["python3", "-m", "pip", "install", "pipx"], check=True)
+        print("pipx installed successfully.")
+    except subprocess.CalledProcessError as e:
+        print("Error installing pipx:", e, file=sys.stderr)
+        sys.exit(1)
+
+def add_pipx_to_path():
+    print("Adding pipx to PATH...")
+    subprocess.run(["python3", "-m", "pipx", "ensurepath"], check=True)
+    result = subprocess.run(["python3", "-m", "pipx", "environment"], check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
+    pipx_path_line = [line for line in result.stdout.splitlines() if "PIPX_BIN_DIR" in line]
+    if pipx_path_line:
+        pipx_path = pipx_path_line[0].split('=')[-1].strip()
+        os.environ["PATH"] += os.pathsep + pipx_path
+        print("pipx path added to environment variables.")
+    else:
+        print("Error: Could not find pipx path in environment output.", file=sys.stderr)
+        sys.exit(1)
+
+def install_devchat():
+    print("Installing devchat...")
+    try:
+        subprocess.run(["pipx", "install", "devchat"], check=True)
+        print("devchat installed successfully.")
+    except subprocess.CalledProcessError as e:
+        print("Error installing devchat:", e, file=sys.stderr)
+        sys.exit(1)
+
+def upgrade_devchat():
+    print("Upgrading devchat...")
+    try:
+        subprocess.run(["pipx", "upgrade", "devchat"], check=True)
+        print("devchat upgraded successfully.")
+    except subprocess.CalledProcessError as e:
+        print("Error upgrading devchat:", e, file=sys.stderr)
+        sys.exit(1)
+
+def main():
+    if not check_pipx_installed():
+        install_pipx()
+        add_pipx_to_path()
+    install_devchat()
+    upgrade_devchat()
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file