修改适配Linux

app/core/launcher.py

@@ -39,26 +39,26 @@ class AppLauncher:
             check_virtualenv(self.project_root)
 
             # 检查是否正在使用虚拟环境运行
-            import platform
-            import sys
-            venv_path = self.project_root / ".venv"
-            os_name = platform.system()
-            
-            if os_name == 'Windows':
-                venv_python = venv_path / "Scripts" / "python.exe"
-            else:  # Linux/Mac
-                venv_python = venv_path / "bin" / "python3"
-            
-            # 如果当前不是使用虚拟环境的Python，则重新启动
-            current_python = Path(sys.executable).resolve()
-            venv_python_resolved = venv_python.resolve()
-            
-            if current_python != venv_python_resolved:
+            # sys.prefix != sys.base_prefix 是 Python 检测 venv 的标准方式
+            # 不依赖路径解析，Windows/Linux 均适用
+            in_venv = hasattr(sys, 'real_prefix') or (
+                hasattr(sys, 'base_prefix') and sys.base_prefix != sys.prefix
+            )
+
+            if not in_venv:
+                import platform
+                venv_path = self.project_root / ".venv"
+                os_name = platform.system()
+
+                if os_name == 'Windows':
+                    venv_python = venv_path / "Scripts" / "python.exe"
+                else:  # Linux/Mac
+                    venv_python = venv_path / "bin" / "python3"
+
                 print("\n" + "=" * 50)
                 print("检测到未使用虚拟环境，正在切换到虚拟环境...")
                 print("=" * 50)
-                
-                # 使用虚拟环境的Python重新启动应用（不传递参数避免重复检查）
+
                 import subprocess
                 cmd = [str(venv_python)] + sys.argv
                 subprocess.run(cmd, check=True)