diff --git a/src/packages/components/Charts/HazardousChemicalsSpace/LineGraph01Haz/index.vue b/src/packages/components/Charts/HazardousChemicalsSpace/LineGraph01Haz/index.vue
index f6a1b48..0896413 100644
--- a/src/packages/components/Charts/HazardousChemicalsSpace/LineGraph01Haz/index.vue
+++ b/src/packages/components/Charts/HazardousChemicalsSpace/LineGraph01Haz/index.vue
@@ -135,7 +135,18 @@ const convertApiDataToMockFormat = async (timeRange: string) => {
       ])]
       break
     case 'week':
-      datavalues = [['时间', '数值'], ...dataArray.map(item => [
+      // 找到第一个周一的索引
+      const firstMondayIndex = dataArray.findIndex(item => {
+        const date = new Date(item.alarm_time_)
+        return date.getDay() === 1 // 周一
+      })
+      
+      // 如果找到周一，则从周一开始截取数据；否则保持原数据
+      const filteredData = firstMondayIndex !== -1 
+        ? dataArray.slice(firstMondayIndex) 
+        : dataArray
+      
+      datavalues = [['时间', '数值'], ...filteredData.map(item => [
         convertToChineseWeekday(item.alarm_time_),
         item.avg_handle_time_seconds || 0
       ])]