diff --git a/frontend/src/components/ui/dialog.tsx b/frontend/src/components/ui/dialog.tsx
index 7427981..b171b28 100644
--- a/frontend/src/components/ui/dialog.tsx
+++ b/frontend/src/components/ui/dialog.tsx
@@ -58,7 +58,10 @@ function DialogContent({
       <DialogPrimitive.Content
         data-slot="dialog-content"
         className={cn(
-          "bg-background data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 fixed top-[50%] left-[50%] z-50 grid w-full max-w-[calc(100%-2rem)] translate-x-[-50%] translate-y-[-50%] gap-4 rounded-lg border p-6 shadow-lg duration-200 outline-none sm:max-w-lg",
+          // grid-cols-1 是必需的：默认的隐式 auto 轨道会被子项里不换行的长文本（长文件名等）
+          // 按 min-content 撑开，轨道宽度超过 max-w，内容就从弹窗右边框外溢出去。
+          // minmax(0,1fr) 让轨道只跟容器宽，内容交给子项自己 truncate/滚动。
+          "bg-background grid-cols-1 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 fixed top-[50%] left-[50%] z-50 grid w-full max-w-[calc(100%-2rem)] translate-x-[-50%] translate-y-[-50%] gap-4 rounded-lg border p-6 shadow-lg duration-200 outline-none sm:max-w-lg",
           className
         )}
         {...props}
diff --git a/frontend/src/routes/(user)/my/-components/SecuritySkipWarning.tsx b/frontend/src/routes/(user)/my/-components/SecuritySkipWarning.tsx
index 25d04f4..5d1dcd7 100644
--- a/frontend/src/routes/(user)/my/-components/SecuritySkipWarning.tsx
+++ b/frontend/src/routes/(user)/my/-components/SecuritySkipWarning.tsx
@@ -24,12 +24,12 @@ export function SecuritySkipWarning({ check, actionName }: SecuritySkipWarningPr
       </div>
       <div className="max-h-24 overflow-auto space-y-0.5 pl-5">
         {blocked.map((name: string) => (
-          <div key={name} className="text-xs text-red-400 truncate">
+          <div key={name} className="text-xs text-red-400 break-all">
             • {name}
           </div>
         ))}
         {scanning.map((name: string) => (
-          <div key={name} className="text-xs text-amber-500 truncate">
+          <div key={name} className="text-xs text-amber-500 break-all">
             • {name}（检测中）
           </div>
         ))}