diff --git a/src/renderer/src/assets/styles/markdown.scss b/src/renderer/src/assets/styles/markdown.scss
index d2b77d4016..5b4269e2fa 100644
--- a/src/renderer/src/assets/styles/markdown.scss
+++ b/src/renderer/src/assets/styles/markdown.scss
@@ -157,15 +157,28 @@
   }
 
   table {
-    border-collapse: collapse;
+    --table-border-radius: 8px;
     margin: 1em 0;
     width: 100%;
+    border-radius: var(--table-border-radius);
+    overflow: hidden;
+    border-collapse: separate;
+    border: 0.5px solid var(--color-border);
+    border-spacing: 0;
   }
 
   th,
   td {
-    border: 0.5px solid var(--color-border);
+    border-right: 0.5px solid var(--color-border);
+    border-bottom: 0.5px solid var(--color-border);
     padding: 0.5em;
+    &:last-child {
+      border-right: none;
+    }
+  }
+
+  tr:last-child td {
+    border-bottom: none;
   }
 
   th {
diff --git a/src/renderer/src/components/Selector.tsx b/src/renderer/src/components/Selector.tsx
index a08ff9af1f..44b30bb7fc 100644
--- a/src/renderer/src/components/Selector.tsx
+++ b/src/renderer/src/components/Selector.tsx
@@ -29,7 +29,7 @@ const Selector = <V extends string | number>({
   onChange = () => {},
   placement = 'bottomRight',
   size = 13,
-  placeholder = '待选择',
+  placeholder,
   disabled = false
 }: SelectorProps<V>) => {
   const [open, setOpen] = useState(false)