diff --git a/web/pages/Assistants.tsx b/web/pages/Assistants.tsx
index d9a060f..f86c5bb 100644
--- a/web/pages/Assistants.tsx
+++ b/web/pages/Assistants.tsx
@@ -237,7 +237,7 @@ export const AssistantsPage: React.FC = () => {
   const isNoneConfig = selectedAssistant?.configMode === 'none' || !selectedAssistant?.configMode;
 
   return (
-    <div className="flex h-[calc(100vh-8rem)] gap-6 animate-in fade-in py-4">
+    <div className="flex h-full min-h-0 gap-6 animate-in fade-in">
       {/* LEFT COLUMN: List */}
       <div className="w-80 flex flex-col gap-4 shrink-0">
         <div className="flex items-center justify-between px-1 text-white">
diff --git a/web/pages/AutoTest.tsx b/web/pages/AutoTest.tsx
index 71af013..60d8bb1 100644
--- a/web/pages/AutoTest.tsx
+++ b/web/pages/AutoTest.tsx
@@ -89,7 +89,7 @@ export const AutoTestPage: React.FC = () => {
   };
 
   return (
-    <div className="flex h-[calc(100vh-8rem)] gap-6 animate-in fade-in py-4">
+    <div className="flex h-full min-h-0 gap-6 animate-in fade-in">
       {/* Left List */}
       <div className="w-80 flex flex-col gap-4 shrink-0">
         <h2 className="text-xl font-bold tracking-tight text-white">测试助手列表</h2>
diff --git a/web/pages/Workflows.tsx b/web/pages/Workflows.tsx
index 765bdfd..d2c975d 100644
--- a/web/pages/Workflows.tsx
+++ b/web/pages/Workflows.tsx
@@ -62,7 +62,7 @@ export const WorkflowsPage: React.FC = () => {
   };
 
   return (
-    <div className="space-y-6 animate-in fade-in py-4 pb-10">
+    <div className="space-y-6 animate-in fade-in">
       <div className="flex items-center justify-between">
         <h1 className="text-2xl font-bold tracking-tight text-white">工作流</h1>
         <div className="flex space-x-3">