diff --git a/src/components/assistant/AssistantResponseCard.vue b/src/components/assistant/AssistantResponseCard.vue
index a220c22..4ea8beb 100644
--- a/src/components/assistant/AssistantResponseCard.vue
+++ b/src/components/assistant/AssistantResponseCard.vue
@@ -159,7 +159,7 @@ function generateReport() {
       <div class="metric-grid">
         <div>
           <b>{{ formatCount(data.anomalyCount) }}</b
-          ><span>近3年异常</span>
+          ><span>近3个自然年度异常</span>
         </div>
         <div v-if="data.cooperationCount != null">
           <b>{{ formatCount(data.cooperationCount) }}</b
diff --git a/src/components/assistant/RiskAnalysisCard.vue b/src/components/assistant/RiskAnalysisCard.vue
index 2bf4500..03c3a21 100644
--- a/src/components/assistant/RiskAnalysisCard.vue
+++ b/src/components/assistant/RiskAnalysisCard.vue
@@ -211,7 +211,7 @@ function openSupplier() {
           <div v-if="result.supplierFreq.supplierName">
             <span>{{ result.supplierFreq.supplierName }}</span>
             <strong
-              >近3年异常 {{ result.supplierFreq.anomalyCount ?? 0 }} 次</strong
+              >近3个自然年度异常 {{ result.supplierFreq.anomalyCount ?? 0 }} 次</strong
             >
           </div>
           <div v-if="result.supplierFreq.alpha != null">
@@ -251,7 +251,7 @@ function openSupplier() {
         >
           {{
             result.supplierFreq.note ||
-            "合作频次按近3年采购订单去重单据编号统计；异常数仍按异常案例库统计。"
+            "合作频次按自然年度边界采购订单去重单据编号统计；异常数按自然年度边界异常案例库统计。"
           }}
         </small>
       </section>
diff --git a/src/components/risk/RiskAssessmentForm.vue b/src/components/risk/RiskAssessmentForm.vue
index 86c7f2f..65b8101 100644
--- a/src/components/risk/RiskAssessmentForm.vue
+++ b/src/components/risk/RiskAssessmentForm.vue
@@ -38,7 +38,7 @@ function submit() {
   <form class="assessment-form" @submit.prevent="submit">
     <div class="form-intro">
       <strong>新品风险参数</strong>
-      <span>系统将结合近 3 年异常案例计算七维安全评分</span>
+      <span>系统将结合近3个自然年度异常案例计算七维安全评分</span>
     </div>
     <div class="form-grid">
       <label class="field-wide">
diff --git a/src/pages/ReportPage.vue b/src/pages/ReportPage.vue
index 2fa53ae..5e58512 100644
--- a/src/pages/ReportPage.vue
+++ b/src/pages/ReportPage.vue
@@ -265,7 +265,7 @@ function dimensionConclusion(item: {
             <tr v-if="report.supplierFreq?.cooperationCount != null">
               <td>合作次数</td>
               <td>{{ report.supplierFreq?.cooperationCount }} 次</td>
-              <td>近三年采购订单去重单据数</td>
+              <td>按自然年度边界采购订单去重单据数</td>
             </tr>
             <tr>
               <td>异常次数</td>
diff --git a/src/pages/SupplierProfilePage.vue b/src/pages/SupplierProfilePage.vue
index 8c3fcb4..3b688e6 100644
--- a/src/pages/SupplierProfilePage.vue
+++ b/src/pages/SupplierProfilePage.vue
@@ -247,7 +247,7 @@ watch(
         <section class="stat-row">
           <div class="stat-card clickable">
             <div class="stat-value blue">{{ profile.metric.anomalyTotal }}</div>
-            <div class="stat-label">近3年异常</div>
+            <div class="stat-label">近3个自然年度异常</div>
           </div>
           <div class="stat-card clickable">
             <div class="stat-value red">{{ supplierBaseScore ?? "—" }}</div>
@@ -332,7 +332,7 @@ watch(
           <table class="prototype-table">
             <thead>
               <tr>
-                <th>近 3 年异常数 N</th>
+                <th>近3个自然年度异常数 N</th>
                 <th>基础分</th>
                 <th>档位含义</th>
                 <th>在库示例</th>