diff --git a/src/views/AgentChat/index.js b/src/views/AgentChat/index.js
index 7f03e4bf..9a89bf5b 100644
--- a/src/views/AgentChat/index.js
+++ b/src/views/AgentChat/index.js
@@ -674,45 +674,45 @@ const AgentChat = () => {
   ];
 
   return (
-    <Box h="100%" position="relative" overflow="hidden" zIndex={0}>
-      {/* 背景渐变层 */}
-      <Box
-        position="absolute"
-        top={0}
-        left={0}
-        right={0}
-        bottom={0}
-        bgGradient="linear(to-br, gray.900, gray.800, purple.900)"
-        zIndex={0}
-      />
+    <Box minH="100vh" bg="gray.900">
+      <Flex h="calc(100vh - 72px)" overflow="hidden" position="relative">
+        {/* 背景渐变层 - 移到 Flex 内部 */}
+        <Box
+          position="absolute"
+          top={0}
+          left={0}
+          right={0}
+          bottom={0}
+          bgGradient="linear(to-br, gray.900, gray.800, purple.900)"
+          zIndex={0}
+        />
 
-      {/* 背景装饰光效 */}
-      <Box
-        position="absolute"
-        top="0"
-        right="-20%"
-        width="600px"
-        height="600px"
-        bgGradient="radial(circle, purple.600, transparent)"
-        opacity="0.15"
-        filter="blur(100px)"
-        pointerEvents="none"
-        zIndex={0}
-      />
-      <Box
-        position="absolute"
-        bottom="-30%"
-        left="-10%"
-        width="500px"
-        height="500px"
-        bgGradient="radial(circle, blue.600, transparent)"
-        opacity="0.1"
-        filter="blur(100px)"
-        pointerEvents="none"
-        zIndex={0}
-      />
+        {/* 背景装饰光效 */}
+        <Box
+          position="absolute"
+          top="0"
+          right="-20%"
+          width="600px"
+          height="600px"
+          bgGradient="radial(circle, purple.600, transparent)"
+          opacity="0.15"
+          filter="blur(100px)"
+          pointerEvents="none"
+          zIndex={0}
+        />
+        <Box
+          position="absolute"
+          bottom="-30%"
+          left="-10%"
+          width="500px"
+          height="500px"
+          bgGradient="radial(circle, blue.600, transparent)"
+          opacity="0.1"
+          filter="blur(100px)"
+          pointerEvents="none"
+          zIndex={0}
+        />
 
-      <Flex h="calc(100vh - 72px)" overflow="hidden" position="relative" zIndex={1}>
         {/* 左侧栏 - 深色毛玻璃 */}
         <AnimatePresence>
           {isLeftSidebarOpen && (