diff --git a/src/views/Community/components/EventList.js b/src/views/Community/components/EventList.js
index 7d13ff7c..fbdaf461 100644
--- a/src/views/Community/components/EventList.js
+++ b/src/views/Community/components/EventList.js
@@ -55,6 +55,7 @@ import moment from 'moment';
 import { logger } from '../../../utils/logger';
 import { getApiBase } from '../../../utils/apiConfig';
 import { useEventNotifications } from '../../../hooks/useEventNotifications';
+import { getImportanceConfig, getAllImportanceLevels } from '../../../constants/importanceLevels';
 
 // ========== 工具函数定义在组件外部 ==========
 // 涨跌颜色配置（中国A股配色：红涨绿跌）- 分档次显示
@@ -115,45 +116,7 @@ const getPriceChangeBorderColor = (value) => {
     return 'gray.300';
 };
 
-// 重要性等级配置 - 金融配色方案
-const importanceLevels = {
-    'S': {
-        color: 'purple.600',
-        bgColor: 'purple.50',
-        borderColor: 'purple.200',
-        icon: WarningIcon,
-        label: '极高',
-        dotBg: 'purple.500',
-    },
-    'A': {
-        color: 'red.600',
-        bgColor: 'red.50',
-        borderColor: 'red.200',
-        icon: WarningTwoIcon,
-        label: '高',
-        dotBg: 'red.500',
-    },
-    'B': {
-        color: 'orange.600',
-        bgColor: 'orange.50',
-        borderColor: 'orange.200',
-        icon: InfoIcon,
-        label: '中',
-        dotBg: 'orange.500',
-    },
-    'C': {
-        color: 'green.600',
-        bgColor: 'green.50',
-        borderColor: 'green.200',
-        icon: CheckCircleIcon,
-        label: '低',
-        dotBg: 'green.500',
-    }
-};
-
-const getImportanceConfig = (importance) => {
-    return importanceLevels[importance] || importanceLevels['C'];
-};
+// 重要性等级配置已移至 src/constants/importanceLevels.js
 
 // 自定义的涨跌箭头组件（修复颜色问题）
 const PriceArrow = ({ value }) => {
@@ -558,15 +521,54 @@ const EventList = ({ events, pagination, onPageChange, onEventClick, onViewDetai
                                         {event.title}
                                     </Heading>
                                 </Tooltip>
-                                <Badge
-                                    colorScheme={importance.color.split('.')[0]}
-                                    px={3}
-                                    py={1}
-                                    borderRadius="full"
-                                    fontSize="sm"
+                                <Tooltip
+                                    label={
+                                        <VStack align="start" spacing={1} maxW="320px">
+                                            <Text fontWeight="bold" fontSize="sm" mb={1}>
+                                                重要性等级说明
+                                            </Text>
+                                            <Divider borderColor="gray.300" />
+                                            {getAllImportanceLevels().map((level) => (
+                                                <HStack key={level.level} spacing={2} align="center" w="full" py={0.5}>
+                                                    <Circle
+                                                        size="8px"
+                                                        bg={level.dotBg}
+                                                        flexShrink={0}
+                                                    />
+                                                    <Text fontSize="xs" color="gray.700" lineHeight="1.5">
+                                                        <Text as="span" fontWeight="bold">{level.level}级</Text>
+                                                        {level.description}
+                                                    </Text>
+                                                </HStack>
+                                            ))}
+                                        </VStack>
+                                    }
+                                    placement="left"
+                                    hasArrow
+                                    bg="white"
+                                    color="gray.800"
+                                    fontSize="md"
+                                    p={3}
+                                    borderRadius="lg"
+                                    borderWidth="1px"
+                                    borderColor="gray.200"
+                                    boxShadow="lg"
                                 >
-                                    {importance.label}优先级
-                                </Badge>
+                                    <Badge
+                                        colorScheme={importance.color.split('.')[0]}
+                                        px={3}
+                                        py={1}
+                                        borderRadius="full"
+                                        fontSize="sm"
+                                        cursor="help"
+                                        display="flex"
+                                        alignItems="center"
+                                        gap={1}
+                                    >
+                                        <InfoIcon boxSize={3} />
+                                        {importance.label}优先级
+                                    </Badge>
+                                </Tooltip>
                             </Flex>
 
                             {/* 元信息 */}