diff --git a/src/components/mCountCard/index.vue b/src/components/mCountCard/index.vue
index 3988658..1aa4ea7 100644
--- a/src/components/mCountCard/index.vue
+++ b/src/components/mCountCard/index.vue
@@ -37,14 +37,14 @@ const props = defineProps({
   info: {
     type: Object,
     default: () => {
-      return {
-        icon: "",
-        zh: "",
-        en: "",
-        value: 0,
-        unit: "",
-        decimals: 0,
-      }
+      return {
+        icon: "xiaoshoujine",
+        zh: "2023年销售金额",
+        en: "Sales amount in 2023",
+        value: 9500,
+        unit: "万元",
+        decimals: 0,
+      }
     },
   },
 })
diff --git a/src/components/mCountTo/vue-countTo.vue b/src/components/mCountTo/vue-countTo.vue
index beb9944..86f7dbd 100644
--- a/src/components/mCountTo/vue-countTo.vue
+++ b/src/components/mCountTo/vue-countTo.vue
@@ -12,10 +12,10 @@ export default {
       required: false,
       default: 0,
     },
-    endVal: {
-      type: Number,
-      required: false,
-      default: 0,
+    endVal: {
+      type: Number,
+      required: false,
+      default: 2017,
     },
     duration: {
       type: Number,
diff --git a/src/components/mSvglineAnimation/index.vue b/src/components/mSvglineAnimation/index.vue
index 82999bd..15203b0 100644
--- a/src/components/mSvglineAnimation/index.vue
+++ b/src/components/mSvglineAnimation/index.vue
@@ -37,11 +37,9 @@
  * @property {Number} begin  路径开始的位置
  * @property {Number} dir 路径移动方向 [0,1]-正向 [1,0]-反向
  * @property {Number} strokeWidth 路径的粗细
- * @property {String} color 路径的颜色
- */
-let svgLineUid = 0
-
-export default {
+ * @property {String} color 路径的颜色
+ */
+export default {
   name: "SvglineAnimation",
   props: {
     width: {
@@ -80,15 +78,20 @@ export default {
       type: Number,
       default: 4,
     },
-  },
-  data() {
-    const uid = ++svgLineUid
-    return {
-      maskId: "svgline-" + uid,
-      radialGradientId: "radialGradient-" + uid,
-    }
-  },
-}
+  },
+  data() {
+    let uid = 1
+    return {
+      maskId: "svgline-" + uid,
+      radialGradientId: "radialGradient-" + uid,
+    }
+  },
+  mounted() {
+    let uid = this._.uid
+    this.maskId = "svgline-" + uid
+    this.radialGradientId = "radialGradient-" + uid
+  },
+}
 </script>
 
 <style>
diff --git a/src/services/pastureApi.js b/src/services/pastureApi.js
index a200044..da96f1f 100644
--- a/src/services/pastureApi.js
+++ b/src/services/pastureApi.js
@@ -66,7 +66,7 @@ export function getPastureList() {
 
 export async function getPastureProfile() {
   const [dashboard, list] = await Promise.all([
-    getV3("/screen2/pasture-management/dashboard"),
+    getV3("/screen2/pasture-management/dashboard", { year: 2024 }),
     getPastureList(),
   ])
 
diff --git a/src/services/request.js b/src/services/request.js
index 46afb5d..1d89cea 100644
--- a/src/services/request.js
+++ b/src/services/request.js
@@ -15,15 +15,9 @@ function appendParams(url, params = {}) {
 }
 
 export async function requestJson(url, options = {}) {
-  const { params, timeout = DEFAULT_TIMEOUT, signal: externalSignal, ...fetchOptions } = options
+  const { params, timeout = DEFAULT_TIMEOUT, ...fetchOptions } = options
   const controller = new AbortController()
   let timedOut = false
-  const abortFromExternalSignal = () => controller.abort()
-  if (externalSignal?.aborted) {
-    controller.abort()
-  } else {
-    externalSignal?.addEventListener?.("abort", abortFromExternalSignal, { once: true })
-  }
   const timer = window.setTimeout(() => {
     timedOut = true
     controller.abort()
@@ -66,7 +60,6 @@ export async function requestJson(url, options = {}) {
     throw error
   } finally {
     window.clearTimeout(timer)
-    externalSignal?.removeEventListener?.("abort", abortFromExternalSignal)
   }
 }
 
diff --git a/src/services/resourceManagementApi.js b/src/services/resourceManagementApi.js
index e1ce04e..cc6f84a 100644
--- a/src/services/resourceManagementApi.js
+++ b/src/services/resourceManagementApi.js
@@ -6,7 +6,7 @@ export async function getResourceManagementOptions() {
   return normalizeResponseData(await requestJson(`${BASE_URL}/options`)) || {}
 }
 
-export async function getResourceDashboard(topicKey, year) {
+export async function getResourceDashboard(topicKey, year = 2023) {
   return normalizeResponseData(await requestJson(`${BASE_URL}/dashboard`, {
     params: { topic: topicKey, year },
   })) || createEmptyDashboard(topicKey)
diff --git a/src/services/yakApi.js b/src/services/yakApi.js
index 98158b2..03cead5 100644
--- a/src/services/yakApi.js
+++ b/src/services/yakApi.js
@@ -10,8 +10,9 @@ function joinBase(base, path) {
 
 function unwrapResponse(response) {
   const failed =
-    response?.success === false ||
-    (response?.code !== undefined && ![0, 200, "0", "200"].includes(response.code))
+    response?.success === false &&
+    response?.code !== undefined &&
+    ![0, 200, "0", "200"].includes(response.code)
 
   if (failed) {
     throw new Error(response?.msg || response?.message || "接口请求失败")
@@ -116,10 +117,6 @@ export function getYakEpidemicAnalysis(params = {}) {
   return get(OPEN_API_BASE, "/screen2/yak-management/epidemic/analysis", params).then((data) => data || {})
 }
 
-export function getYakEpidemicOptions() {
-  return get(OPEN_API_BASE, "/screen2/yak-management/epidemic/options").then((data) => data || {})
-}
-
 export function getYakEpidemicRecords(params = {}) {
   return get(OPEN_API_BASE, "/screen2/yak-management/epidemic/records", params).then((data) => data || {})
 }
diff --git a/src/views/admin/OperationLogs.vue b/src/views/admin/OperationLogs.vue
index 1d31d15..134044f 100644
--- a/src/views/admin/OperationLogs.vue
+++ b/src/views/admin/OperationLogs.vue
@@ -46,7 +46,7 @@
 </template>
 
 <script setup>
-import { reactive, ref } from "vue"
+import { reactive, ref, watch } from "vue"
 import { message } from "ant-design-vue"
 import { ReloadOutlined, SearchOutlined } from "@ant-design/icons-vue"
 import { fetchOperationLogs } from "@/services/admin"
@@ -63,6 +63,7 @@ const columns = [
 const query = reactive({ title: "", operName: "", businessType: undefined, status: undefined })
 const dateRange = ref([]), rows = ref([]), loading = ref(false), detailOpen = ref(false), detail = ref(null)
 const pagination = reactive({ current: 1, pageSize: 20, total: 0, showSizeChanger: true, showQuickJumper: true, showTotal: (total) => `共 ${total} 条` })
+watch(dateRange, () => {}, { deep: true })
 
 async function loadRows() { loading.value = true; try { const result = await fetchOperationLogs({ ...query, beginTime: dateRange.value?.[0], endTime: dateRange.value?.[1], pageNum: pagination.current, pageSize: pagination.pageSize }); rows.value = result.rows || []; pagination.total = Number(result.total || 0) } catch (error) { message.error(error.message) } finally { loading.value = false } }
 function search() { pagination.current = 1; loadRows() }
diff --git a/src/views/forestGrassWet/components/FeatureInfoPanel.vue b/src/views/forestGrassWet/components/FeatureInfoPanel.vue
index 1399d81..6e5db96 100644
--- a/src/views/forestGrassWet/components/FeatureInfoPanel.vue
+++ b/src/views/forestGrassWet/components/FeatureInfoPanel.vue
@@ -228,7 +228,7 @@ const topicBusinessFields = {
     [["management_control_requirement"], "管控要求"],
     [["reserve_level", "natural_protected_area_level"], "保护地级别"],
     [["reserve_type", "natural_protected_area_type"], "保护地类型"],
-    [["area_mu", "area_m2"], "图斑面积"],
+    [["area_source_mj", "area_mu", "area_m2"], "图斑面积"],
     [["original_area_m2"], "原始面积"],
     [["adjusted_area_m2"], "调整面积"],
     [["remarks"], "备注"],
@@ -527,6 +527,7 @@ const fieldLabels = {
   redline_type: "红线类型",
   ecosystem_service_type: "生态系统服务类型",
   management_control_requirement: "管控要求",
+  area_source_mj: "图斑面积",
   area_m2: "图斑面积",
   original_area_m2: "原始面积",
   adjusted_area_m2: "调整面积",
@@ -669,6 +670,7 @@ const patchAreaFieldKeys = new Set([
   "source_area_mu",
   "area_m2",
   "acreage",
+  "area_source_mj",
   "original_area_m2",
   "adjusted_area_m2",
   "mj",
@@ -683,6 +685,7 @@ const patchAreaFieldKeys = new Set([
 const townshipNamesByLength = [...hongyuanTownshipDisplayOrder].sort((a, b) => b.length - a.length)
 
 const propsData = computed(() => props.feature?.properties || {})
+const featureGeometry = computed(() => props.feature?.feature?.geometry || props.feature?.geometry || null)
 const externalDisplayRows = computed(() =>
   (Array.isArray(props.rows) ? props.rows : [])
     .map((row, index) => ({
@@ -742,6 +745,10 @@ const displayRows = computed(() => {
       used.add(row.sourceKey)
     }
   })
+  const areaLabel = getTopicAreaLabel(activeTopicKey.value)
+  if (!isArtificialGrassland.value && !isEngineeringSuitabilityFeature.value && !rows.some((row) => row.label === areaLabel || isGenericPatchAreaLabel(row.label))) {
+    addStaticRow(rows, used, areaLabel, formatGeometryArea(featureGeometry.value), "geometry-area")
+  }
   if (useCompactGrassland) return rows.slice(0, 10)
   Object.entries(propsData.value).forEach(([key, value]) => {
     if (used.has(key) || shouldHideFallbackField(key, value)) return
@@ -858,6 +865,17 @@ function getRowPriority(row, index) {
   return 150 + index
 }
 
+function addStaticRow(rows, used, label, value, sourceKey) {
+  if (!hasValue(value) || rows.some((row) => row.label === label || row.value === value)) return
+  rows.push({
+    key: `static-${sourceKey}`,
+    sourceKey,
+    label,
+    value,
+  })
+  used.add(sourceKey)
+}
+
 function resolveDisplayLabel(label, keys = []) {
   if (activeTopicKey.value === "ecological" && isEcologicalScopeFeature.value && isEcologicalAreaLabel(label, keys)) {
     return "图斑面积"
@@ -921,6 +939,7 @@ function formatValue(key, value) {
     if (patchAreaFieldKeys.has(key) && number === 0) return ""
     if (number === 0 && zeroHiddenKeys.has(key)) return ""
     const formatted = Number.isInteger(number) ? `${number}` : `${Number(number.toFixed(2))}`
+    if (key === "area_source_mj") return `${formatAreaWanMu(number * 15)} 万亩`
     if (activeTopicKey.value === "ecological" && isEcologicalScopeFeature.value && ["area_mu", "acreage", "mj"].includes(key)) return `${formatAreaWanMu(number)} 万亩`
     if (activeTopicKey.value === "ecological" && isEcologicalScopeFeature.value && ["area_m2", "original_area_m2", "adjusted_area_m2"].includes(key)) return `${formatAreaWanMu(number / 666.6667)} 万亩`
     if (["xbmj", "tbdlmj", "geomj", "area_square_meter"].includes(key)) return `${formatAreaMu(number / 666.6667)} 亩`
@@ -1080,6 +1099,49 @@ function isUnmappedCodeField(key, value) {
   ].includes(key)
 }
 
+function formatGeometryArea(geometry) {
+  const squareMeters = getGeometryAreaSquareMeters(geometry)
+  if (!squareMeters) return ""
+  const mu = squareMeters / 666.6667
+  if (activeTopicKey.value === "ecological" && isEcologicalScopeFeature.value) return `${formatAreaWanMu(mu)} 万亩`
+  return `${formatAreaMu(mu)} 亩`
+}
+
+function getGeometryAreaSquareMeters(geometry) {
+  if (!geometry?.coordinates) return 0
+  if (geometry.type === "Polygon") return getPolygonAreaSquareMeters(geometry.coordinates)
+  if (geometry.type === "MultiPolygon") {
+    return geometry.coordinates.reduce((sum, polygon) => sum + getPolygonAreaSquareMeters(polygon), 0)
+  }
+  return 0
+}
+
+function getPolygonAreaSquareMeters(rings = []) {
+  if (!rings.length) return 0
+  const [outer, ...holes] = rings
+  const outerArea = Math.abs(getRingAreaSquareMeters(outer))
+  const holesArea = holes.reduce((sum, ring) => sum + Math.abs(getRingAreaSquareMeters(ring)), 0)
+  return Math.max(0, outerArea - holesArea)
+}
+
+function getRingAreaSquareMeters(ring = []) {
+  if (ring.length < 3) return 0
+  const averageLat = ring.reduce((sum, point) => sum + Number(point?.[1] || 0), 0) / ring.length
+  const metersPerDegree = 111320
+  const xScale = metersPerDegree * Math.cos((averageLat * Math.PI) / 180)
+  let area = 0
+  for (let index = 0; index < ring.length; index++) {
+    const current = ring[index]
+    const next = ring[(index + 1) % ring.length]
+    const x1 = Number(current?.[0] || 0) * xScale
+    const y1 = Number(current?.[1] || 0) * metersPerDegree
+    const x2 = Number(next?.[0] || 0) * xScale
+    const y2 = Number(next?.[1] || 0) * metersPerDegree
+    area += x1 * y2 - x2 * y1
+  }
+  return area / 2
+}
+
 function normalizeFieldLabel(key) {
   return String(key)
     .replace(/_/g, " ")
diff --git a/src/views/forestGrassWet/index.vue b/src/views/forestGrassWet/index.vue
index 99866f8..aabc805 100644
--- a/src/views/forestGrassWet/index.vue
+++ b/src/views/forestGrassWet/index.vue
@@ -636,7 +636,7 @@ async function loadBusinessStats(topicKey, layerKey = activeLayerKey.value) {
   coreLoading.value = true
   coreStatus.value = "loading"
   try {
-    const result = await getResourceDashboard(topicKey)
+    const result = await getResourceDashboard(topicKey, 2023)
     if (destroyed || requestId !== businessRequestId) return
     if (topicKey !== activeTopicKey.value) return
     if (topicKey !== "woodland" && (businessLayerKey || "") !== (activeLayerKey.value || "")) return
diff --git a/src/views/grassLivestockBalance/BalanceAnalysisWorkbench.vue b/src/views/grassLivestockBalance/BalanceAnalysisWorkbench.vue
index 1d9dccc..48d4611 100644
--- a/src/views/grassLivestockBalance/BalanceAnalysisWorkbench.vue
+++ b/src/views/grassLivestockBalance/BalanceAnalysisWorkbench.vue
@@ -242,13 +242,13 @@ const verdictLabel = computed(() => {
   return text === "基本实现草畜平衡" ? "基本平衡" : text
 })
 const adviceText = computed(() => props.balance?.adviceRows?.[0] || props.balance?.advice || "保持动态监测，结合牧草产量及时调整载畜规模。")
-const childStatusLabel = computed(() => props.balance?.areaLevel === "village" ? "类型分析" : "下级区域")
+const childStatusLabel = computed(() => props.balance?.areaLevel === "village" ? "空间明细" : "下级区域")
 const childStatusValue = computed(() => {
   if (!props.balance) return "--"
   if (props.balance.areaLevel === "village") {
     if (props.analysisState === "idle") return "待分析"
     if (props.analysisState === "running" && props.progress < 40) return "核验中"
-    return detailAvailable.value ? "已完成" : "待归集"
+    return detailAvailable.value ? "图斑已归属" : "待归属"
   }
   const suffix = props.balance.areaLevel === "county" ? "个乡镇" : "个村"
   return `${Number(props.balance.childCount) || 0}${suffix}`
diff --git a/src/views/pastureManagement/index.vue b/src/views/pastureManagement/index.vue
index 4f026d1..a7d89ad 100644
--- a/src/views/pastureManagement/index.vue
+++ b/src/views/pastureManagement/index.vue
@@ -1214,7 +1214,9 @@ function handlePastureFeatureInfo(payload = {}) {
   if (!pickedFeature || !layerKey.startsWith("pasture-focus")) return
   const sourceProperties = pickedFeature.properties || pickedFeature.feature?.properties || {}
   const recognizedYakCount = pickValue(sourceProperties, ["recognizedYakCount", "recognized_yak_count"])
+  const acreage = pickValue(sourceProperties, ["acreage", "areaMu", "area_mu", "grasslandArea", "grassland_area"])
   const grasslandMuPerYak = pickValue(sourceProperties, ["grasslandMuPerYak", "grassland_mu_per_yak"])
+    ?? calculateGrasslandMuPerYak(acreage, recognizedYakCount)
   const properties = {
     ...sourceProperties,
     recognizedYakCount,
@@ -1232,6 +1234,13 @@ function handlePastureFeatureInfo(payload = {}) {
   grasslandFeatureLoading.value = false
 }
 
+function calculateGrasslandMuPerYak(acreage, recognizedYakCount) {
+  const area = Number(acreage)
+  const yakCount = Number(recognizedYakCount)
+  if (!Number.isFinite(area) || !Number.isFinite(yakCount) || yakCount <= 0) return null
+  return Number((area / yakCount).toFixed(2))
+}
+
 function formatPastureDetailValue(value, unit, fractionDigits) {
   if (value === undefined || value === null || value === "") return ""
   const number = Number(value)
@@ -1505,11 +1514,14 @@ function normalizeOnlineRows(rows = []) {
       const registered = Number(pickValue(item, ["registeredMuhuCount", "registered_muhu_count", "registeredCount"]))
       const online = Number(pickValue(item, ["muhuCount", "muhu_count", "onlineCount"]))
       const rawValue = pickValue(item, ["onlinePercent", "uplineRate", "upline_rate", "onlineRate", "value", "percent", "rate"])
-      if (!name || rawValue === undefined || rawValue === null || rawValue === "") return null
+      const value = rawValue !== undefined && rawValue !== null && rawValue !== ""
+        ? rawValue
+        : registered > 0 ? (online / registered) * 100 : undefined
+      if (!name || value === undefined || value === null || value === "") return null
       return {
         key: item.code || item.areaCode || item.area_code || name,
         name,
-        value: Number(String(rawValue).replace("%", "")) || 0,
+        value: Number(String(value).replace("%", "")) || 0,
         unit: "%",
         extra: Number.isFinite(online) && Number.isFinite(registered) && registered > 0 ? `${online}/${registered}户` : item.extra,
       }
diff --git a/src/views/yakManagement/YakOlMap.vue b/src/views/yakManagement/YakOlMap.vue
index 8afd6be..cbb5f8b 100644
--- a/src/views/yakManagement/YakOlMap.vue
+++ b/src/views/yakManagement/YakOlMap.vue
@@ -50,7 +50,6 @@ import RegularShape from "ol/style/RegularShape.js"
 import Stroke from "ol/style/Stroke.js"
 import Style from "ol/style/Style.js"
 import Text from "ol/style/Text.js"
-import { HONGYUAN_COUNTY_CENTER } from "@/config/layers"
 import { hongyuanTownshipLabelPoints, hongyuanTownshipsGeoJson } from "@/config/townshipBoundaries"
 
 const props = defineProps({
@@ -64,7 +63,7 @@ const props = defineProps({
   },
   center: {
     type: Array,
-    default: () => [...HONGYUAN_COUNTY_CENTER],
+    default: () => [103.07984, 33.029058],
   },
   minZoom: {
     type: Number,
@@ -116,7 +115,7 @@ const props = defineProps({
 
 const emit = defineEmits(["ready", "tile-status", "layer-status", "map-click"])
 
-const HONGYUAN_CENTER = [...HONGYUAN_COUNTY_CENTER]
+const HONGYUAN_CENTER = [103.07984, 33.029058]
 const INITIAL_ZOOM = 21
 const TOWN_BOUNDARY_GLOW_Z_INDEX = 232
 const TOWN_BOUNDARY_LINE_Z_INDEX = 233
diff --git a/src/views/yakManagement/index.vue b/src/views/yakManagement/index.vue
index bea9b9c..7353a79 100644
--- a/src/views/yakManagement/index.vue
+++ b/src/views/yakManagement/index.vue
@@ -213,8 +213,7 @@
             </m-card>
 
             <m-card class="yak-side-card left-card" title="预测因子雷达" :width="sideCardWidth" :height="sideCardHeight">
-              <v-chart v-if="hasForecastFactorData" class="yak-chart" :option="forecastFactorOption" :autoresize="true" />
-              <div v-else class="yak-chart-empty">暂无预测因子数据</div>
+              <v-chart class="yak-chart" :option="forecastFactorOption" :autoresize="true" />
             </m-card>
           </template>
 
@@ -757,7 +756,6 @@ import {
 import {
   getYakEpidemicAnalysis,
   getYakEpidemicDetail,
-  getYakEpidemicOptions,
   getYakEpidemicRecords,
   getYakEpidemicStats,
   getYakEpidemicVillageStats,
@@ -845,7 +843,7 @@ const viewTopics = [
 
 const activeView = ref(resolveYakViewKey(props.viewKey))
 const activeYakLayerKeys = ref([])
-const activePeriodKey = ref("")
+const activePeriodKey = ref("2027")
 const activeForecastGranularity = ref("month")
 const activeFoundationPage = ref(0)
 const apiTownRows = ref([])
@@ -853,8 +851,8 @@ const apiStructureRows = ref([])
 const yakProfileRevision = ref(0)
 const structureLoading = ref(false)
 const structureError = ref("")
-const epidemicYears = ref([])
-const activeEpidemicYear = ref(null)
+const epidemicYears = [2025, 2026]
+const activeEpidemicYear = ref(2026)
 const epidemicAnalysis = ref({ metrics: {} })
 const epidemicStats = ref({ rows: [], year: null })
 const epidemicVillageStats = ref({ rows: [] })
@@ -1980,11 +1978,6 @@ const forecastFactorOption = computed(() => {
   }
 })
 
-const hasForecastFactorData = computed(() => {
-  yakProfileRevision.value
-  return forecastFactorRows.length >= 3
-})
-
 const forecastTownOption = computed(() => buildHorizontalBarOption(forecastTownRows.value, "forecast", "头"))
 
 const forecastStructureOption = computed(() => {
@@ -3048,8 +3041,8 @@ function normalizeEpidemicTownName(name) {
 
 function resolveEpidemicYear(year) {
   const numericYear = Number(year)
-  if (Number.isFinite(numericYear) && epidemicYears.value.includes(numericYear)) return numericYear
-  return epidemicYears.value[epidemicYears.value.length - 1] ?? null
+  if (Number.isFinite(numericYear) && epidemicYears.includes(numericYear)) return numericYear
+  return epidemicYears[epidemicYears.length - 1]
 }
 
 function getEpidemicYearRange(year = activeEpidemicYear.value) {
@@ -3685,12 +3678,6 @@ async function loadRemoteRows() {
   ])
   if (profileResult.status === "fulfilled") {
     configureYakManagementProfile(profileResult.value)
-    const defaultPeriodKey = String(profileResult.value?.defaultPeriod || "")
-    const currentPeriodExists = forecastPeriods.some((item) => item.key === activePeriodKey.value)
-    const defaultPeriodExists = forecastPeriods.some((item) => item.key === defaultPeriodKey)
-    if (!currentPeriodExists) {
-      activePeriodKey.value = defaultPeriodExists ? defaultPeriodKey : forecastPeriods[0]?.key || ""
-    }
     yakProfileRevision.value += 1
   } else {
     structureError.value = "牦牛管理基础数据接口异常"
@@ -3878,30 +3865,11 @@ function locateTradeRecord(row) {
 }
 
 async function loadEpidemicData(preferredYear = activeEpidemicYear.value) {
-  epidemicLoading.value = true
-  epidemicError.value = ""
-  if (!epidemicYears.value.length) {
-    try {
-      const options = await getYakEpidemicOptions()
-      epidemicYears.value = normalizeTradeYears(options?.years)
-      const latestYear = Number(options?.latestYear ?? options?.latest_year)
-      activeEpidemicYear.value = epidemicYears.value.includes(latestYear)
-        ? latestYear
-        : epidemicYears.value[epidemicYears.value.length - 1] ?? null
-    } catch (error) {
-      epidemicError.value = "防疫年份接口异常"
-      epidemicLoading.value = false
-      return
-    }
-  }
   const targetYear = resolveEpidemicYear(preferredYear)
-  if (!Number.isFinite(targetYear)) {
-    epidemicError.value = "暂无可用防疫年份"
-    epidemicLoading.value = false
-    return
-  }
   const yearRange = getEpidemicYearRange(targetYear)
   activeEpidemicYear.value = targetYear
+  epidemicLoading.value = true
+  epidemicError.value = ""
   const [analysisResult, recordsResult, statsResult, villageStatsResult] = await Promise.allSettled([
     getYakEpidemicAnalysis(yearRange),
     getYakEpidemicRecords({
@@ -4339,8 +4307,9 @@ function buildForecastKLineRows(series) {
     const close = Number(series.stock?.[index] || open)
     const birth = Math.max(0, Number(series.births?.[index] || 0) - Number(series.births?.[Math.max(index - 1, 0)] || 0))
     const outflow = Math.max(0, Number(series.outflow?.[index] || 0) - Number(series.outflow?.[Math.max(index - 1, 0)] || 0))
-    const high = Math.max(open, close)
-    const low = Math.min(open, close)
+    const wickPadding = Math.max(120, Math.round((birth + outflow) * 0.18))
+    const high = Math.max(open, close) + Math.max(wickPadding, Math.round(birth * 0.32))
+    const low = Math.max(0, Math.min(open, close) - Math.max(wickPadding, Math.round(outflow * 0.32)))
     return {
       label,
       open,
@@ -4935,15 +4904,6 @@ function formatSignedWan(value) {
   box-sizing: border-box;
 }
 
-.yak-chart-empty {
-  display: grid;
-  place-items: center;
-  width: 100%;
-  height: 100%;
-  color: rgba(180, 235, 242, 0.68);
-  font-size: 12px;
-}
-
 .forecast-trend-card {
   position: relative;
   width: 100%;