diff --git a/frontend/src/components/ui/tooltip.tsx b/frontend/src/components/ui/tooltip.tsx
index 75c3b72..ad59005 100644
--- a/frontend/src/components/ui/tooltip.tsx
+++ b/frontend/src/components/ui/tooltip.tsx
@@ -46,7 +46,7 @@ function TooltipContent({
         data-slot="tooltip-content"
         sideOffset={sideOffset ?? 4}
         className={cn(
-          "animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 bg-background text-foreground z-50 w-fit origin-(--radix-tooltip-content-transform-origin) rounded-md border px-3 py-1.5 text-xs text-balance shadow-xs",
+          "animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 bg-foreground text-background dark:text-foreground z-50 w-fit origin-(--radix-tooltip-content-transform-origin) rounded-md border px-3 py-1.5 text-xs text-balance shadow-xs dark:border-white/18 dark:bg-[#050504]",
           className,
         )}
         {...props}
diff --git a/frontend/src/components/workspace/messages/message-group.tsx b/frontend/src/components/workspace/messages/message-group.tsx
index 4b8f57c..8a3d576 100644
--- a/frontend/src/components/workspace/messages/message-group.tsx
+++ b/frontend/src/components/workspace/messages/message-group.tsx
@@ -320,7 +320,13 @@ function ToolCall({
     return (
       <ChainOfThoughtStep key={id} label={description} icon={BookOpenTextIcon}>
         {path && (
-          <Tooltip content={<pre>{result as string}</pre>}>
+          <Tooltip
+            content={
+              <pre className="max-w-[95vw] whitespace-pre-wrap">
+                {result as string}
+              </pre>
+            }
+          >
             <ChainOfThoughtSearchResult className="cursor-pointer">
               {path}
             </ChainOfThoughtSearchResult>
@@ -363,7 +369,11 @@ function ToolCall({
         }}
       >
         {path && (
-          <ChainOfThoughtSearchResult>{path}</ChainOfThoughtSearchResult>
+          <Tooltip content={t.toolCalls.clickToViewContent}>
+            <ChainOfThoughtSearchResult className="cursor-pointer">
+              {path}
+            </ChainOfThoughtSearchResult>
+          </Tooltip>
         )}
       </ChainOfThoughtStep>
     );
diff --git a/frontend/src/core/i18n/locales/en-US.ts b/frontend/src/core/i18n/locales/en-US.ts
index 5f5d38d..abab5a8 100644
--- a/frontend/src/core/i18n/locales/en-US.ts
+++ b/frontend/src/core/i18n/locales/en-US.ts
@@ -125,6 +125,7 @@ export const enUS: Translations = {
     listFolder: "List folder",
     readFile: "Read file",
     writeFile: "Write file",
+    clickToViewContent: "Click to view file content",
     writeTodos: "Update to-do list",
     skillInstallTooltip: "Install skill and make it available to DeerFlow",
   },
diff --git a/frontend/src/core/i18n/locales/types.ts b/frontend/src/core/i18n/locales/types.ts
index 8b86a11..db6bc45 100644
--- a/frontend/src/core/i18n/locales/types.ts
+++ b/frontend/src/core/i18n/locales/types.ts
@@ -118,6 +118,7 @@ export interface Translations {
     listFolder: string;
     readFile: string;
     writeFile: string;
+    clickToViewContent: string;
     writeTodos: string;
     skillInstallTooltip: string;
   };
diff --git a/frontend/src/core/i18n/locales/zh-CN.ts b/frontend/src/core/i18n/locales/zh-CN.ts
index a35f580..59442e8 100644
--- a/frontend/src/core/i18n/locales/zh-CN.ts
+++ b/frontend/src/core/i18n/locales/zh-CN.ts
@@ -122,6 +122,7 @@ export const zhCN: Translations = {
     listFolder: "列出文件夹",
     readFile: "读取文件",
     writeFile: "写入文件",
+    clickToViewContent: "点击查看文件内容",
     writeTodos: "更新 To-do 列表",
     skillInstallTooltip: "安装技能并使其可在 DeerFlow 中使用",
   },