diff --git a/frontend/src/pages/Deploy/GitManager/List/index.tsx b/frontend/src/pages/Deploy/GitManager/List/index.tsx
index 7212245e..5099702a 100644
--- a/frontend/src/pages/Deploy/GitManager/List/index.tsx
+++ b/frontend/src/pages/Deploy/GitManager/List/index.tsx
@@ -549,7 +549,7 @@ const GitManager: React.FC = () => {
         <TooltipProvider>
         <div className="flex flex-col h-full p-6 space-y-4">
             {/* 顶部标题栏 */}
-            <div className="flex items-center justify-between">
+            <div className="flex items-center justify-between flex-shrink-0">
                 <div>
                 <h1 className="text-3xl font-bold">Git 仓库管理</h1>
                     <p className="text-sm text-muted-foreground mt-1">
@@ -589,7 +589,7 @@ const GitManager: React.FC = () => {
 
             {/* 统计卡片 */}
             {statistics && (
-                <div className="grid grid-cols-3 gap-4">
+                <div className="grid grid-cols-3 gap-4 flex-shrink-0">
                     <Card className="border-l-4 border-l-blue-500">
                     <CardHeader className="flex flex-row items-center justify-between pb-2">
                             <CardTitle className="text-sm font-medium">仓库组</CardTitle>
@@ -621,10 +621,10 @@ const GitManager: React.FC = () => {
             )}
 
             {/* 三栏布局 */}
-            <div className="flex-1 grid grid-cols-12 gap-4 min-h-0">
+            <div className="flex-1 grid grid-cols-12 gap-4 min-h-0 overflow-hidden">
                 {/* 左栏：仓库组树 */}
-                <Card className="col-span-3 flex flex-col">
-                    <CardHeader className="border-b">
+                <Card className="col-span-3 flex flex-col min-h-0">
+                    <CardHeader className="border-b flex-shrink-0">
                         <div className="flex items-center justify-between">
                             <CardTitle className="text-base">仓库组</CardTitle>
                             <Button 
@@ -668,8 +668,8 @@ const GitManager: React.FC = () => {
                     </Card>
 
                 {/* 中栏：项目列表 */}
-                <Card className="col-span-5 flex flex-col">
-                    <CardHeader className="border-b">
+                <Card className="col-span-5 flex flex-col min-h-0">
+                    <CardHeader className="border-b flex-shrink-0">
                         <div className="flex items-center justify-between">
                             <CardTitle className="text-base">
                                 项目 {selectedGroup && `(${filteredProjects.length})`}
@@ -781,8 +781,8 @@ const GitManager: React.FC = () => {
                 </Card>
 
                 {/* 右栏：分支列表 */}
-                <Card className="col-span-4 flex flex-col">
-                    <CardHeader className="border-b">
+                <Card className="col-span-4 flex flex-col min-h-0">
+                    <CardHeader className="border-b flex-shrink-0">
                         <div className="flex items-center justify-between">
                             <CardTitle className="text-base">
                                 分支 {selectedProject && `(${filteredBranches.length})`}