diff --git a/desktop_env/controllers/setup.py b/desktop_env/controllers/setup.py
index a960c92..7704866 100644
--- a/desktop_env/controllers/setup.py
+++ b/desktop_env/controllers/setup.py
@@ -242,6 +242,9 @@ class SetupController:
             logger.error("An error occurred while trying to send the request: %s", e)
             traceback.print_exc()
 
+    def _command_setup(self, command: List[str], stdout: str = "", stderr: str = ""):
+        self._execute_setup(command, stdout, stderr)
+
     def _act_setup(self, action_seq: List[Union[Dict[str, Any], str]]):
         # TODO
         raise NotImplementedError()
diff --git a/desktop_env/evaluators/getters/file.py b/desktop_env/evaluators/getters/file.py
index 2c59035..2d77eba 100644
--- a/desktop_env/evaluators/getters/file.py
+++ b/desktop_env/evaluators/getters/file.py
@@ -1,4 +1,5 @@
 from typing import Dict
+from typing import Optional
 
 import os
 import requests
@@ -27,7 +28,7 @@ def get_cloud_file(env, config: Dict[str, str]) -> str:
     return _path
 
 
-def get_vm_file(env, config: Dict[str, str]) -> str:
+def get_vm_file(env, config: Dict[str, str]) -> Optional[str]:
     """
     Config:
         path (str): absolute path on the VM to fetch
@@ -37,6 +38,8 @@ def get_vm_file(env, config: Dict[str, str]) -> str:
     _path = os.path.join(env.cache_dir, config["dest"])
 
     file = env.controller.get_file(config["path"])
+    if file is None:
+        return None
     with open(_path, "wb") as f:
         f.write(file)
 
diff --git a/desktop_env/evaluators/metrics/__init__.py b/desktop_env/evaluators/metrics/__init__.py
index e8f313b..1beb03e 100644
--- a/desktop_env/evaluators/metrics/__init__.py
+++ b/desktop_env/evaluators/metrics/__init__.py
@@ -6,4 +6,4 @@ from .docs import is_first_line_centered, check_file_exists, compare_contains_im
 from .pdf import check_pdf_pages
 from .libreoffice import check_libre_locale
 #from .vlc import is_vlc_playing
-from .general import check_csv, check_accessibility_tree
+from .general import check_csv, check_accessibility_tree, check_list
diff --git a/desktop_env/evaluators/metrics/general.py b/desktop_env/evaluators/metrics/general.py
index 8ede586..427198c 100644
--- a/desktop_env/evaluators/metrics/general.py
+++ b/desktop_env/evaluators/metrics/general.py
@@ -4,13 +4,14 @@ import lxml.etree
 from lxml.etree import _Element
 from lxml.cssselect import CSSSelector
 
-from typing import Dict, List
+from typing import Dict, List, Pattern
 from typing import Callable, Any
 from numbers import Number
 
 import operator
 from rapidfuzz import fuzz
 import functools
+import re
 
 def _match_record(pattern: Dict[str, str], item: Dict[str, str]) -> float:
     return all(k in item and item[k]==val for k, val in pattern.items())
@@ -37,7 +38,33 @@ def check_csv(result: str, rules: Dict[str, List[Dict[str, str]]]) -> float:
         for rcd in reader:
             for i, r in enumerate(rules.get("expect", [])):
                 expect_metrics[i] = expect_metrics[i] or _match_record(r, rcd)
-            unexpect_metric = unexpect_metric and all(_match_record(r, rcd) for r in rules.get("unexpect", []))
+            unexpect_metric = unexpect_metric and not any(_match_record(r, rcd) for r in rules.get("unexpect", []))
+    return float(all(expect_metrics) and unexpect_metric)
+
+def check_list(result: str, rules: Dict[str, List[str]]) -> float:
+    """
+    Args:
+        result (str): path to list file
+        rules (Dict[str, List[str]]): dict like
+          {
+            "expect": list of str as regexes
+            "unexpect": list of str as regexes
+          }
+
+    Returns:
+        float
+    """
+
+    expect_patterns: List[Pattern[str]] = [re.compile(ptt) for ptt in rules.get("expect", [])]
+    unexpect_patterns: List[Pattern[str]] = [re.compile(ptt) for ptt in rules.get("unexpect", [])]
+
+    expect_metrics = [False] * len(expect_patterns)
+    unexpect_metric = True
+    with open(result) as f:
+        for l in f:
+            for i, r in enumerate(expect_patterns):
+                expect_metrics[i] = expect_metrics[i] or (r.search(l) is not None)
+            unexpect_metric = unexpect_metric and all(r.search(l) is None for r in unexpect_patterns)
     return float(all(expect_metrics) and unexpect_metric)
 
 _accessibility_ns_map = { "st": "uri:deskat:state.at-spi.gnome.org"
@@ -93,3 +120,6 @@ def check_accessibility_tree(result: str, rules: Dict[str, Any]) -> float:
         match_score = 1.
 
     return float(match_score)
+
+#def check_existence(result: str, *args) -> float:
+    #return 1. - (result is None)
diff --git a/desktop_env/evaluators/metrics/table.py b/desktop_env/evaluators/metrics/table.py
index 34ef0b0..25b55f3 100644
--- a/desktop_env/evaluators/metrics/table.py
+++ b/desktop_env/evaluators/metrics/table.py
@@ -31,6 +31,9 @@ def compare_table(actual: str, expected: str, **options) -> float:
         float: the score
     """
 
+    if actual is None:
+        return 0.
+
     df1 = pd.read_excel(expected)
     df2 = pd.read_excel(actual)
     metric: bool = df1.equals(df2)
@@ -71,6 +74,9 @@ def compare_table(actual: str, expected: str, **options) -> float:
     return float(metric)
 
 def check_sheet_list(result: str, rules: List[Dict[str, Any]]) -> float:
+    if result is None:
+        return 0.
+
     # workbook: Workbook = openpyxl.load_workbook(filename=result)
     workbook = pd.ExcelFile(result)
     worksheet_names: List[str] = workbook.sheet_names
@@ -109,10 +115,16 @@ def check_sheet_list(result: str, rules: List[Dict[str, Any]]) -> float:
     return float(passes)
 
 def check_xlsx_freeze(result: str, rules: Dict[str, str]) -> float:
+    if result is None:
+        return 0.
+
     worksheet: Worksheet = openpyxl.load_workbook(filename=result).active
     return float(worksheet.freeze_panes == rules["position"])
 
 def check_xlsx_zoom(result: str, rules: Dict[str, Union[str, Number]]) -> float:
+    if result is None:
+        return 0.
+
     worksheet = openpyxl.load_workbook(filename=result).active
     zoom_scale: Number = worksheet.sheet_view.zoomScale or 100.
     return float( getattr(operator, rules["relation"])( zoom_scale
diff --git a/evaluation_examples/examples/thunderbird/06fe7178-4491-4589-810f-2e2bc9502122.json b/evaluation_examples/examples/thunderbird/06fe7178-4491-4589-810f-2e2bc9502122.json
index ea4b832..969b193 100644
--- a/evaluation_examples/examples/thunderbird/06fe7178-4491-4589-810f-2e2bc9502122.json
+++ b/evaluation_examples/examples/thunderbird/06fe7178-4491-4589-810f-2e2bc9502122.json
@@ -1,12 +1,70 @@
 {
   "id": "06fe7178-4491-4589-810f-2e2bc9502122",
   "snapshot": "thunderbird",
-  "instruction": "Could you help me back up all the email files in my profile to PROFILE_DIR?",
+  "instruction": "Could you help me back up all the email files in my profile to ~/email.bak? Please save them in eml format.",
   "source": "https://www.quora.com/How-do-I-backup-email-files-in-Mozilla-Thunderbird",
-  "config": [],
-  "trajectory": "trajectories/",
+  "config": [
+    {
+      "type": "download",
+      "parameters": {
+        "files": [
+          {
+            "url": "https://drive.usercontent.google.com/download?id=1EHLRWzBCOsyERkSMUnTF2pnsR0n6ZvtR&export=download&authuser=0&confirm=t&uuid=de09bd5e-bef8-499a-b599-c642af190e10&at=APZUnTXqOsQkxl0zMSX6R1Sgp_v3:1704362491712",
+            "path": "/home/user/thunderbird-profile.tar.gz"
+          }
+        ]
+      }
+    },
+    {
+      "type": "execute",
+      "parameters": {
+        "command": [
+          "tar",
+          "-xzv",
+          "--recursive-unlink",
+          "-f",
+          "/home/user/thunderbird-profile.tar.gz",
+          "-C",
+          "/home/user/"
+        ]
+      }
+    },
+    {
+      "type": "launch",
+      "parameters": {
+        "command": [
+          "/usr/bin/thunderbird"
+        ]
+      }
+    }
+  ],
+  "trajectory": "trajectories/06fe7178-4491-4589-810f-2e2bc9502122",
   "related_apps": [
     "thunderbird"
   ],
-  "evaluator": "evaluation_dir"
+  "evaluator": {
+    "postconfig": [
+      {
+        "type": "command",
+        "parameters": {
+          "command": ["ls", "-R", "/home/user/emails.bak"],
+          "stdout": "emails.bak.ls"
+        }
+      }
+    ],
+    "func": "check_list",
+    "result": {
+      "type": "cache_file",
+      "path": "emails.bak.ls"
+    },
+    "expected": {
+      "type": "rule",
+      "rules": {
+        "expect": [
+          "歡迎使用新的 Outlook.com 帳戶.*\\.eml",
+          "A Test E-mail.*\\.eml"
+        ]
+      }
+    }
+  }
 }
diff --git a/main.py b/main.py
index b89cf79..b128766 100644
--- a/main.py
+++ b/main.py
@@ -44,9 +44,9 @@ def human_agent():
     Runs the Gym environment with human input.
     """
 
-    with open("evaluation_examples/examples/thunderbird/12086550-11c0-466b-b367-1d9e75b3910e.json", "r") as f:
+    with open("evaluation_examples/examples/thunderbird/06fe7178-4491-4589-810f-2e2bc9502122.json", "r") as f:
         example = json.load(f)
-    example["snapshot"] = "Snapshot 9"
+    example["snapshot"] = "Snapshot 11"
 
     env = DesktopEnv( path_to_vm="../../../../大文件/镜像/Ubuntu-1218/Ubuntu/Ubuntu.vmx"
                     , action_space="computer_13"
diff --git a/requirements.txt b/requirements.txt
index d97aedd..4898f1e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,3 +23,4 @@ python-docx
 python-pptx
 pypdf
 PyGetWindow
+rapidfuzz