diff --git a/frontend/src/views/admin/ops/components/OpsErrorDistributionChart.vue b/frontend/src/views/admin/ops/components/OpsErrorDistributionChart.vue
index a52b5442..ad7ce074 100644
--- a/frontend/src/views/admin/ops/components/OpsErrorDistributionChart.vue
+++ b/frontend/src/views/admin/ops/components/OpsErrorDistributionChart.vue
@@ -30,7 +30,11 @@ const colors = computed(() => ({
   text: isDarkMode.value ? '#9ca3af' : '#6b7280'
 }))
 
-const hasData = computed(() => (props.data?.total ?? 0) > 0)
+const totalSlaErrors = computed(() =>
+  (props.data?.items ?? []).reduce((total, item) => total + Number(item.sla || 0), 0)
+)
+
+const hasData = computed(() => totalSlaErrors.value > 0)
 
 const state = computed<ChartState>(() => {
   if (hasData.value) return 'ready'
@@ -54,7 +58,7 @@ const categories = computed<ErrorCategory[]>(() => {
 
   for (const item of props.data.items || []) {
     const code = Number(item.status_code || 0)
-    const count = Number(item.total || 0)
+    const count = Number(item.sla || 0)
     if (!Number.isFinite(code) || !Number.isFinite(count)) continue
 
     if ([502, 503, 504].includes(code)) upstream += count
diff --git a/frontend/src/views/admin/ops/components/OpsErrorTrendChart.vue b/frontend/src/views/admin/ops/components/OpsErrorTrendChart.vue
index 088dc317..6e07926f 100644
--- a/frontend/src/views/admin/ops/components/OpsErrorTrendChart.vue
+++ b/frontend/src/views/admin/ops/components/OpsErrorTrendChart.vue
@@ -45,9 +45,7 @@ const colors = computed(() => ({
   text: isDarkMode.value ? '#9ca3af' : '#6b7280'
 }))
 
-const totalRequestErrors = computed(() =>
-  sumNumbers(props.points.map((p) => (p.error_count_sla ?? 0) + (p.business_limited_count ?? 0)))
-)
+const totalRequestErrors = computed(() => sumNumbers(props.points.map((p) => p.error_count_sla ?? 0)))
 
 const totalUpstreamErrors = computed(() =>
   sumNumbers(
diff --git a/frontend/src/views/admin/ops/components/__tests__/OpsErrorScopeCharts.spec.ts b/frontend/src/views/admin/ops/components/__tests__/OpsErrorScopeCharts.spec.ts
new file mode 100644
index 00000000..0c65bbcd
--- /dev/null
+++ b/frontend/src/views/admin/ops/components/__tests__/OpsErrorScopeCharts.spec.ts
@@ -0,0 +1,147 @@
+import { mount } from '@vue/test-utils'
+import { describe, expect, it, vi } from 'vitest'
+import { defineComponent } from 'vue'
+import OpsErrorDistributionChart from '../OpsErrorDistributionChart.vue'
+import OpsErrorTrendChart from '../OpsErrorTrendChart.vue'
+
+vi.mock('chart.js', () => ({
+  Chart: { register: vi.fn() },
+  ArcElement: {},
+  CategoryScale: {},
+  Filler: {},
+  Legend: {},
+  LineElement: {},
+  LinearScale: {},
+  PointElement: {},
+  Title: {},
+  Tooltip: {},
+}))
+
+vi.mock('vue-chartjs', async () => {
+  const { defineComponent } = await import('vue')
+
+  return {
+    Doughnut: defineComponent({
+      name: 'Doughnut',
+      props: {
+        data: { type: Object, required: true },
+        options: { type: Object, default: () => ({}) },
+      },
+      template: '<div class="doughnut-stub" />',
+    }),
+    Line: defineComponent({
+      name: 'Line',
+      props: {
+        data: { type: Object, required: true },
+        options: { type: Object, default: () => ({}) },
+      },
+      template: '<div class="line-stub" />',
+    }),
+  }
+})
+
+vi.mock('../../utils/opsFormatters', () => ({
+  formatHistoryLabel: (date: string | undefined) => date ?? '',
+  sumNumbers: (values: Array<number | null | undefined>) =>
+    values.reduce<number>((total, value) => total + (typeof value === 'number' && Number.isFinite(value) ? value : 0), 0),
+}))
+
+vi.mock('vue-i18n', async (importOriginal) => {
+  const actual = await importOriginal<typeof import('vue-i18n')>()
+
+  return {
+    ...actual,
+    useI18n: () => ({
+      t: (key: string) => key,
+    }),
+  }
+})
+
+const HelpTooltipStub = defineComponent({
+  name: 'HelpTooltip',
+  props: {
+    content: { type: String, default: '' },
+  },
+  template: '<span class="help-tooltip-stub" />',
+})
+
+const EmptyStateStub = defineComponent({
+  name: 'EmptyState',
+  props: {
+    title: { type: String, default: '' },
+    description: { type: String, default: '' },
+  },
+  template: '<div class="empty-state-stub" />',
+})
+
+const globalStubs = {
+  stubs: {
+    HelpTooltip: HelpTooltipStub,
+    EmptyState: EmptyStateStub,
+  },
+}
+
+describe('Ops SLA-scoped error charts', () => {
+  it('错误分布图按 SLA 错误数统计，不把业务限制错误算进请求错误分布', () => {
+    const wrapper = mount(OpsErrorDistributionChart, {
+      props: {
+        loading: false,
+        data: {
+          total: 10,
+          items: [
+            { status_code: 400, total: 7, sla: 2, business_limited: 5 },
+            { status_code: 503, total: 3, sla: 0, business_limited: 3 },
+          ],
+        },
+      },
+      global: globalStubs,
+    })
+
+    const doughnut = wrapper.findComponent({ name: 'Doughnut' })
+    expect(doughnut.exists()).toBe(true)
+    expect(doughnut.props('data')).toMatchObject({
+      labels: ['admin.ops.client'],
+      datasets: [{ data: [2] }],
+    })
+  })
+
+  it('错误分布图在只有业务限制错误时显示为空态', () => {
+    const wrapper = mount(OpsErrorDistributionChart, {
+      props: {
+        loading: false,
+        data: {
+          total: 4,
+          items: [{ status_code: 500, total: 4, sla: 0, business_limited: 4 }],
+        },
+      },
+      global: globalStubs,
+    })
+
+    expect(wrapper.findComponent({ name: 'Doughnut' }).exists()).toBe(false)
+    expect(wrapper.find('.empty-state-stub').exists()).toBe(true)
+  })
+
+  it('错误趋势图的请求错误详情按钮只按 SLA 错误启用', () => {
+    const wrapper = mount(OpsErrorTrendChart, {
+      props: {
+        loading: false,
+        timeRange: '1h',
+        points: [
+          {
+            bucket_start: '2026-05-18T00:00:00Z',
+            error_count_total: 5,
+            business_limited_count: 5,
+            error_count_sla: 0,
+            upstream_error_count_excl_429_529: 0,
+            upstream_429_count: 0,
+            upstream_529_count: 0,
+          },
+        ],
+      },
+      global: globalStubs,
+    })
+
+    const requestErrorsButton = wrapper.findAll('button')[0]
+    expect(requestErrorsButton.attributes('disabled')).toBeDefined()
+  })
+})