diff --git a/src/types/components.d.ts b/src/types/components.d.ts
index b2b55fb..0f548fb 100644
--- a/src/types/components.d.ts
+++ b/src/types/components.d.ts
@@ -36,6 +36,7 @@ declare module 'vue' {
     ElFormItem: typeof import('element-plus/es')['ElFormItem']
     ElIcon: typeof import('element-plus/es')['ElIcon']
     ElInput: typeof import('element-plus/es')['ElInput']
+    ElInputNumber: typeof import('element-plus/es')['ElInputNumber']
     ElMenu: typeof import('element-plus/es')['ElMenu']
     ElMenuItem: typeof import('element-plus/es')['ElMenuItem']
     ElOption: typeof import('element-plus/es')['ElOption']
diff --git a/src/views/fishery/monitorHistory/index.vue b/src/views/fishery/monitorHistory/index.vue
index 1d85285..93fa1e8 100644
--- a/src/views/fishery/monitorHistory/index.vue
+++ b/src/views/fishery/monitorHistory/index.vue
@@ -455,6 +455,8 @@ const updateChart = () => {
         type: chartType.value,
         data: yData,
         smooth: chartType.value === 'line',
+        symbol: 'circle', // 使用圆形标记
+        symbolSize: chartType.value === 'line' ? 0 : 6, // 折线图默认不显示点,柱状图不受影响
         itemStyle: {
           color: config.color
         },
@@ -463,6 +465,17 @@ const updateChart = () => {
         } : undefined,
         areaStyle: chartType.value === 'line' ? {
           opacity: 0.1
+        } : undefined,
+        emphasis: chartType.value === 'line' ? {
+          symbol: 'circle',
+          symbolSize: 12,
+          itemStyle: {
+            color: config.color,
+            borderColor: '#fff',
+            borderWidth: 3,
+            shadowBlur: 8,
+            shadowColor: config.color
+          }
         } : undefined
       }
     ]