diff --git a/frontend/src/components/DashboardByTypeCards.vue b/frontend/src/components/DashboardByTypeCards.vue
index 71445bc..7db4f5a 100644
--- a/frontend/src/components/DashboardByTypeCards.vue
+++ b/frontend/src/components/DashboardByTypeCards.vue
@@ -5,6 +5,7 @@ import {
   DollarOutlined,
   DatabaseOutlined,
 } from '@ant-design/icons-vue'
+import type { Component } from 'vue'
 import type { DataTypeCount } from '@/types/api'
 
 defineProps<{
@@ -12,7 +13,7 @@ defineProps<{
   loading: boolean
 }>()
 
-const iconMap: Record<string, ReturnType<typeof ShoppingCartOutlined>> = {
+const iconMap: Record<string, Component> = {
   order: ShoppingCartOutlined,
   product: ShoppingOutlined,
   refund: DollarOutlined,
diff --git a/frontend/src/components/DashboardTrendChart.vue b/frontend/src/components/DashboardTrendChart.vue
index b58084f..5c51997 100644
--- a/frontend/src/components/DashboardTrendChart.vue
+++ b/frontend/src/components/DashboardTrendChart.vue
@@ -66,11 +66,16 @@ function handleDataTypeChange(val: unknown) {
   emit('update:dataType', (val as string) || undefined)
 }
 
-watch(flatData, () => {
-  if (chart) {
-    chart.changeData(flatData.value)
+watch(flatData, (newData) => {
+  if (newData.length === 0 && chart) {
+    chart.destroy()
+    chart = null
+  } else if (!chart && chartRef.value && newData.length > 0) {
+    nextTick(() => createChart())
+  } else if (chart) {
+    chart.changeData(newData)
   }
-})
+}, { flush: 'post' })
 
 onMounted(() => {
   if (props.data.length > 0) {
@@ -78,15 +83,6 @@ onMounted(() => {
   }
 })
 
-watch(
-  () => props.data,
-  (newVal) => {
-    if (newVal.length > 0 && !chart) {
-      nextTick(() => createChart())
-    }
-  },
-)
-
 onBeforeUnmount(() => {
   if (chart) {
     chart.destroy()
diff --git a/frontend/src/stores/dashboard.ts b/frontend/src/stores/dashboard.ts
index 5b89480..4f3f194 100644
--- a/frontend/src/stores/dashboard.ts
+++ b/frontend/src/stores/dashboard.ts
@@ -2,9 +2,7 @@ import { api } from '@/utils/request'
 import type {
   DashboardOverview,
   DashboardTrendPoint,
-  DashboardTrendParams,
   DashboardBreakdownItem,
-  DashboardBreakdownParams,
 } from '@/types/api'
 
 export const useDashboardStore = defineStore('dashboard', () => {
@@ -49,7 +47,7 @@ export const useDashboardStore = defineStore('dashboard', () => {
     trendLoading.value = true
     trendError.value = ''
     try {
-      const params: DashboardTrendParams = {
+      const params: Record<string, unknown> = {
         group_by: trendGroupBy.value,
         data_type: trendDataType.value,
         from: trendFrom.value,
@@ -57,7 +55,7 @@ export const useDashboardStore = defineStore('dashboard', () => {
       }
       trendData.value = await api.get<DashboardTrendPoint[]>(
         '/api/v1/dashboard/trend',
-        params as unknown as Record<string, unknown>,
+        params,
       )
     } catch (err: unknown) {
       const msg = err instanceof Error ? err.message : '获取趋势数据失败'
@@ -72,7 +70,7 @@ export const useDashboardStore = defineStore('dashboard', () => {
     breakdownLoading.value = true
     breakdownError.value = ''
     try {
-      const params: DashboardBreakdownParams = {
+      const params: Record<string, unknown> = {
         dimension: breakdownDimension.value,
         data_type: breakdownDataType.value,
         from: breakdownFrom.value,
@@ -80,7 +78,7 @@ export const useDashboardStore = defineStore('dashboard', () => {
       }
       breakdownData.value = await api.get<DashboardBreakdownItem[]>(
         '/api/v1/dashboard/breakdown',
-        params as unknown as Record<string, unknown>,
+        params,
       )
     } catch (err: unknown) {
       const msg = err instanceof Error ? err.message : '获取分维度数据失败'
diff --git a/node_modules/.vite/vitest/da39a3ee5e6b4b0d3255bfef95601890afd80709/results.json b/node_modules/.vite/vitest/da39a3ee5e6b4b0d3255bfef95601890afd80709/results.json
new file mode 100644
index 0000000..cc7716c
--- /dev/null
+++ b/node_modules/.vite/vitest/da39a3ee5e6b4b0d3255bfef95601890afd80709/results.json
@@ -0,0 +1 @@
+{"version":"4.1.0","results":[[":frontend/src/pages/failed-messages/__tests__/index.spec.ts",{"duration":0,"failed":true}]]}
\ No newline at end of file