diff --git a/launcher/file/utils.py b/launcher/file/utils.py
index cd8a378..9bb040b 100644
--- a/launcher/file/utils.py
+++ b/launcher/file/utils.py
@@ -14,3 +14,17 @@ def ensure_directory_exists(directory):
     """确保目录存在，如果不存在则创建"""
     if not os.path.exists(directory):
         os.makedirs(directory)
+
+
+def check_command_path(command, cwd=None):
+    """检查命令路径是否存在exe文件
+    :return 是否存在,命令exe文件全路径
+    """
+    command_path = command.split(" ")[0]
+    if command_path == "start":
+        return True, None
+    exec_command_path = os.getcwd()
+    if cwd:
+        exec_command_path = os.path.join(exec_command_path, cwd)
+    full_command_path = os.path.abspath(os.path.join(exec_command_path, command_path)) + ".exe"
+    return os.path.exists(full_command_path), full_command_path
diff --git a/launcher/webview/api.py b/launcher/webview/api.py
index c67ee37..ac440c8 100644
--- a/launcher/webview/api.py
+++ b/launcher/webview/api.py
@@ -14,7 +14,7 @@ from launcher.constants import download_git_url, download_python_url, get_new_ve
     mirror_list
 from launcher.file.download import init_download, download_file
 from launcher.file.extract import extract_7z_file
-from launcher.file.utils import ensure_directory_exists
+from launcher.file.utils import ensure_directory_exists, check_command_path
 from launcher.log import logger
 from launcher.sys_config import sys_config
 from launcher.webview.events import custom_event, LogType
@@ -35,11 +35,27 @@ command_list = {
 }
 
 
-def read_stream(stream, log_type):
+def parse_stderr(stderr_output):
+    error_keywords = {
+        "fatal: destination path 'mower-ng' already exists and is not an empty directory.": "mower-ng文件夹已存在并且非空。",
+        "index.lock': File exists": "上一个git命令正在执行，请等待执行结束或在任务管理器中杀掉git进程，并确保上方提示的index.lock文件删除后再次运行。",
+        "Could not resolve host": "网络出现错误，请检查网络是否通畅。",
+        "ReadTimeoutError": "网络连接超时，请检查网络连接或尝试更换镜像源。",
+        "No space left on device": "磁盘空间不足。",
+    }
+    for keyword, message in error_keywords.items():
+        if keyword in stderr_output:
+            return message
+    return "未定义的错误"
+
+
+def read_stream(stream, log_type, output_list=None):
     def process_lines(text_io):
         for line in iter(text_io.readline, ''):
-            text = line.rstrip('\n')
-            custom_event(log_type, f"{text.strip()}")
+            text = line.rstrip('\n').strip()
+            custom_event(log_type, text)
+            if output_list is not None:
+                output_list.append(text)
 
     detected_encoding = 'utf-8'
     text_io = io.TextIOWrapper(stream, encoding=detected_encoding, errors='replace')
@@ -129,26 +145,36 @@ class Api:
             if callable(command):
                 return "success" if command() else "failed"
         if cwd is not None:
-            custom_event(LogType.execute_command, f"路径：{cwd}")
+            custom_event(LogType.info, f"命令执行目录：{cwd}")
         custom_event(LogType.execute_command, command)
+        # 执行命令前先判断命令路径是否存在
+        exist, command_path = check_command_path(command, cwd)
+        if not exist:
+            custom_event(LogType.error, f"命令路径不存在：{command_path} 请尝试依赖修复并重新初始化。")
+            return "failed"
         try:
+            stdout_stderr = []
             with subprocess.Popen(
                     command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True, cwd=cwd, bufsize=0,
                     universal_newlines=False
             ) as p:
                 stdout_thread = threading.Thread(target=read_stream, args=(p.stdout, LogType.command_out))
-                stderr_thread = threading.Thread(target=read_stream, args=(p.stderr, LogType.command_out))
+                stderr_thread = threading.Thread(target=read_stream,
+                                                 args=(p.stderr, LogType.command_out, stdout_stderr))
 
                 stdout_thread.start()
                 stderr_thread.start()
 
                 stdout_thread.join()
                 stderr_thread.join()
+
             if p.returncode == 0:
                 return "success"
             else:
-                logger.error(f"{command} 运行失败")
+                error_message = parse_stderr("\n".join(stdout_stderr))
+                custom_event(LogType.error, f"命令执行失败，{error_message}")
                 return "failed"
         except Exception as e:
             logger.exception(e)
-            custom_event(LogType.error, repr(e))
+            custom_event(LogType.error, str(e))
+            return "failed"