diff --git a/.gitignore b/.gitignore
index dbf5bf7..ccc80c4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,5 +3,5 @@
 .cache/
 data/
 
-config.yml
+_config.yml
 config.example.yml
\ No newline at end of file
diff --git a/main.py b/main.py
index 3e8373b..583ca4a 100644
--- a/main.py
+++ b/main.py
@@ -3,7 +3,7 @@ import nonebot
 from nonebot.adapters.onebot import v11, v12
 from src.utils.config import load_from_yaml
 
-nonebot.init(**load_from_yaml("config.yml").get("nonebot", {}))
+nonebot.init(**load_from_yaml("config.yml"))
 
 adapters = [v11.Adapter, v12.Adapter]
 driver = nonebot.get_driver()
diff --git a/src/plugins/liteyuki_plugin_main/__init__.py b/src/plugins/liteyuki_plugin_main/__init__.py
index a370438..ec55400 100644
--- a/src/plugins/liteyuki_plugin_main/__init__.py
+++ b/src/plugins/liteyuki_plugin_main/__init__.py
@@ -16,4 +16,4 @@ from src.utils.config import config
 
 sys_lang = get_system_lang()
 nonebot.logger.info(sys_lang.get("main.current_language", LANG=sys_lang.get("language.name")))
-nonebot.logger.info(sys_lang.get("main.enable_webdash", URL=f"http://{config['nonebot']['host']}:{config['nonebot']['port']}"))
+nonebot.logger.info(sys_lang.get("main.enable_webdash", URL=f"http://127.0.0.1:{config.get('port', 8080)}"))
diff --git a/src/plugins/liteyuki_plugin_main/webdash.py b/src/plugins/liteyuki_plugin_main/webdash.py
index 3e65e73..6833e56 100644
--- a/src/plugins/liteyuki_plugin_main/webdash.py
+++ b/src/plugins/liteyuki_plugin_main/webdash.py
@@ -4,6 +4,7 @@ from dash import Dash, Input, Output, dcc, html
 from starlette.middleware.wsgi import WSGIMiddleware
 
 from src.utils.language import Language
+from src.utils.tools import convert_size
 
 app = nonebot.get_app()
 
@@ -22,19 +23,20 @@ def get_system_info():
 async def system_info():
     return get_system_info()
 
+
 lang = Language()
 dash_app = Dash(__name__)
 dash_app.layout = dash_app.layout = html.Div(children=[
-    html.H1(children=lang.get("main.monitor.title"), style={
-        'textAlign': 'center'
-    }),
+        html.H1(children=lang.get("main.monitor.title"), style={
+                'textAlign': 'center'
+        }),
 
-    dcc.Graph(id='live-update-graph'),
-    dcc.Interval(
-        id='interval-component',
-        interval=1 * 1000,  # in milliseconds
-        n_intervals=0
-    )
+        dcc.Graph(id='live-update-graph'),
+        dcc.Interval(
+            id='interval-component',
+            interval=1 * 1000,  # in milliseconds
+            n_intervals=0
+        )
 ])
 
 
@@ -51,20 +53,23 @@ def update_graph_live(n):
             dcc.Graph(id='live-update-graph'),
             dcc.Interval(
                 id='interval-component',
-                interval=1 * 1000,  # in milliseconds
+                interval=2 * 1000,  # in milliseconds
                 n_intervals=0
             )
     ])
+    mem = psutil.virtual_memory()
+    cpu_f = psutil.cpu_freq()
     figure = {
             'data'  : [
                     {
-                            'x'   : [lang.get('main.monitor.cpu')],
+                            'x'   : [f"{cpu_f.current / 1000:.2f}GHz {psutil.cpu_count(logical=False)}c{psutil.cpu_count()}t"],
                             'y'   : [system_inf['cpu_percent']],
                             'type': 'bar',
                             'name': f"{lang.get('main.monitor.cpu')} {lang.get('main.monitor.usage')}"
+
                     },
                     {
-                            'x'   : [lang.get('main.monitor.memory')],
+                            'x'   : [f"{convert_size(mem.used, add_unit=False)}/{convert_size(mem.total)}({mem.used / mem.total * 100:.2f}%)"],
                             'y'   : [system_inf['memory_percent']],
                             'type': 'bar',
                             'name': f"{lang.get('main.monitor.memory')} {lang.get('main.monitor.usage')}"
@@ -72,6 +77,12 @@ def update_graph_live(n):
             ],
             'layout': {
                     'title': lang.get('main.monitor.description'),
+                    # 'xaxis': {
+                    #         'range': [0, 10]
+                    #         },  # 设置x轴的范围
+                    'yaxis': {
+                            'range': [0, 100]
+                    },  # 设置y轴的范围
             }
     }
     return figure
diff --git a/src/utils/config.py b/src/utils/config.py
index 978c222..381731c 100644
--- a/src/utils/config.py
+++ b/src/utils/config.py
@@ -1,10 +1,32 @@
-from yaml import load, FullLoader
+import os
+
+import nonebot
+import yaml
+from pydantic import BaseModel
 
 config = None
 
 
+class BasicConfig(BaseModel):
+    host: str = "127.0.0.1"
+    port: int = 20216
+    superusers: list[str] = []
+    command_start: list[str] = ["/", ""]
+    nickname: set[str] = {"Liteyuki"}
+
+
 def load_from_yaml(file: str) -> dict:
+    nonebot.logger.debug("Loading config from %s" % file)
     global config
+    if not os.path.exists(file):
+        nonebot.logger.warning(f'Config file {file} not found, created default config, please modify it and restart')
+        with open(file, 'w', encoding='utf-8') as f:
+            yaml.dump(BasicConfig().dict(), f, default_flow_style=False)
+
     with open(file, 'r', encoding='utf-8') as f:
-        config = load(f, Loader=FullLoader)
-        return config
+        conf = yaml.load(f, Loader=yaml.FullLoader)
+        config = conf
+        if conf is None:
+            nonebot.logger.warning(f'Config file {file} is empty, use default config. please modify it and restart')
+            conf = BasicConfig().dict()
+        return conf
diff --git a/src/utils/tools.py b/src/utils/tools.py
new file mode 100644
index 0000000..190b63a
--- /dev/null
+++ b/src/utils/tools.py
@@ -0,0 +1,31 @@
+def convert_size(size: int, precision: int = 2, add_unit: bool = True, suffix: str = "iB") -> str:
+    """把字节数转换为人类可读的字符串，计算正负
+
+    Args:
+
+        add_unit:  是否添加单位，False后则suffix无效
+        suffix: iB或B
+        precision: 浮点数的小数点位数
+        size (int): 字节数
+
+    Returns:
+
+        str: The human-readable string, e.g. "1.23 GB".
+    """
+    is_negative = False
+    if size < 0:
+        is_negative = True
+        size = -size
+
+    for unit in ["", "K", "M", "G", "T", "P", "E", "Z", "Y"]:
+        if size < 1024:
+            if add_unit:
+                result = f"{size:.{precision}f} {unit}" + suffix
+                return f"-{result}" if is_negative else result
+            else:
+                return f"{size:.{precision}f}"
+        size /= 1024
+    if add_unit:
+        return f"{size:.{precision}f} Y" + suffix
+    else:
+        return f"{size:.{precision}f}"