diff --git a/src/managers/driver/WebDriverDownloader.py b/src/managers/driver/WebDriverDownloader.py
index e8189ae..681d9c8 100644
--- a/src/managers/driver/WebDriverDownloader.py
+++ b/src/managers/driver/WebDriverDownloader.py
@@ -360,6 +360,10 @@ class WebDriverDownloader:
                     break
             if not driver_file:
                 raise FileNotFoundError(f"未找到 web driver 文件 : {expected_name}")
+            # Ensure executable permissions on Unix systems (zipfile
+            # extraction does not preserve the execute bit).
+            if os.name != 'nt':
+                os.chmod(driver_file, 0o755)
             progress_callback(100, 100, 0.0, "解压完成")
             self.download_path.unlink()
             self._cleanup(driver_file)
diff --git a/src/managers/driver/WebDriverManager.py b/src/managers/driver/WebDriverManager.py
index 30b3645..7ab845d 100644
--- a/src/managers/driver/WebDriverManager.py
+++ b/src/managers/driver/WebDriverManager.py
@@ -111,6 +111,10 @@ class WebDriverManager:
             for driver_info in self.__driver_infos:
                 driver_path = self._getDriverPath(driver_info)
                 if driver_path and driver_path.exists() and driver_path.is_file():
+                    # Repair missing execute permission on Unix
+                    # (zip-extracted drivers from older versions).
+                    if os.name != 'nt' and not os.access(str(driver_path), os.X_OK):
+                        os.chmod(str(driver_path), 0o755)
                     driver_info.driver_path = driver_path
                     driver_info.driver_status = WebDriverStatus.INSTALLED