diff --git a/spug_api/apps/config/views.py b/spug_api/apps/config/views.py
index 64f69f15..f2e5a72d 100644
--- a/spug_api/apps/config/views.py
+++ b/spug_api/apps/config/views.py
@@ -5,6 +5,7 @@
 from django.db.models import F
 from libs import json_response, JsonParser, Argument, auth
 from apps.app.models import Deploy, App
+from apps.repository.models import Repository
 from apps.config.models import *
 import json
 import re
@@ -70,6 +71,8 @@ def delete(self, request):
         if error is None:
             if Deploy.objects.filter(env_id=form.id).exists():
                 return json_response(error='该环境已关联了发布配置，请删除相关发布配置后再尝试删除')
+            if Repository.objects.filter(env_id=form.id).exists():
+                return json_response(error='该环境关联了构建记录，请在删除应用发布/构建仓库中相关记录后再尝试')
             # auto delete configs
             Config.objects.filter(env_id=form.id).delete()
             ConfigHistory.objects.filter(env_id=form.id).delete()
diff --git a/spug_api/apps/exec/transfer.py b/spug_api/apps/exec/transfer.py
index e09ce6b8..4f85117b 100644
--- a/spug_api/apps/exec/transfer.py
+++ b/spug_api/apps/exec/transfer.py
@@ -41,10 +41,16 @@ def post(self, request):
             host_id = None
             token = uuid.uuid4().hex
             base_dir = os.path.join(settings.TRANSFER_DIR, token)
-            os.makedirs(base_dir)
             if form.host:
                 host_id, path = json.loads(form.host)
+                if not path.strip('/'):
+                    return json_response(error='请输入正确的数据源路径')
                 host = Host.objects.get(pk=host_id)
+                with host.get_ssh() as ssh:
+                    code, _ = ssh.exec_command_raw(f'[ -d {path} ]')
+                    if code != 0:
+                        return json_response(error='数据源路径必须为该主机上已存在的目录')
+                os.makedirs(base_dir)
                 with tempfile.NamedTemporaryFile(mode='w') as fp:
                     fp.write(host.pkey or AppSetting.get('private_key'))
                     fp.flush()
@@ -52,8 +58,10 @@ def post(self, request):
                     command = f'sshfs -o ro -o ssh_command="ssh -p {host.port} -i {fp.name}" {target} {base_dir}'
                     task = subprocess.run(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
                     if task.returncode != 0:
+                        os.system(f'umount -f {base_dir} &> /dev/null ; rm -rf {base_dir}')
                         return json_response(error=task.stdout.decode())
             else:
+                os.makedirs(base_dir)
                 index = 0
                 while True:
                     file = request.FILES.get(f'file{index}')
diff --git a/spug_api/apps/schedule/builtin.py b/spug_api/apps/schedule/builtin.py
index cf0541ed..2bf9547b 100644
--- a/spug_api/apps/schedule/builtin.py
+++ b/spug_api/apps/schedule/builtin.py
@@ -56,11 +56,12 @@ def auto_run_by_day():
             except IndexError:
                 pass
 
-        timestamp = time.time() - 24 * 3600
+        timestamp = time.time() - 2 * 3600
         for item in Path(settings.TRANSFER_DIR).iterdir():
             if item.name != '.gitkeep':
                 if item.stat().st_atime < timestamp:
-                    os.system(f'rm -rf {item.absolute()}')
+                    transfer_dir = item.absolute()
+                    os.system(f'umount -f {transfer_dir} &> /dev/null ; rm -rf {transfer_dir}')
     finally:
         connections.close_all()