diff --git a/pages/audit/components/AuditSelfReportItem.vue b/pages/audit/components/AuditSelfReportItem.vue
index 826e660..35e96d7 100644
--- a/pages/audit/components/AuditSelfReportItem.vue
+++ b/pages/audit/components/AuditSelfReportItem.vue
@@ -702,7 +702,11 @@ export default {
     },
     normalizeMerchantChain(item = {}, index) {
       const text = item.chainName || item.chain || item.chainAbb || item.name || item.title || `连锁${index + 1}`
-      const id = item.chainId ?? item.chain_id ?? item.id ?? item.chainCode ?? item.chain_code ?? `chain_${index}`
+      // 兜底必须用连锁名，不能用 `chain_${index}` 这类位置型占位符：
+      // 该 id 会被 saveMerchantEdit 写进 yxe_self_report.chain_id，而按连锁筛选走的是
+      // 等值匹配（YxeSelfReportMapper.xml: a.chain_id = #{param.chainId}），
+      // 占位符一旦落库，这条记录就再也筛不出来（后端已返回稳定 chainId，此处为兜底防线）。
+      const id = item.chainId ?? item.chain_id ?? item.id ?? item.chainCode ?? item.chain_code ?? text
       const childKeys = ['children', 'merchantList', 'merchants', 'shopList', 'list', 'records']
       let children = []
       for (let i = 0; i < childKeys.length; i += 1) {
@@ -782,16 +786,22 @@ export default {
         return
       }
       this.merchantEditSaving = true
+      // 写入前兜底：`chain_${index}` 这类位置型占位符不能落库（详见 normalizeMerchantChain 注释），
+      // 否则该记录会被按连锁等值筛选永久漏掉。这里退回用连锁名作为标识。
+      const chainIdText = String(chain.id ?? '').trim()
+      const safeChainId = !chainIdText || chainIdText.startsWith('chain_')
+        ? String(chain.text || '').trim()
+        : chainIdText
       try {
         await selfReportChangeReq({
           id: this.currentRecord.id,
-          chainId: chain.id,
+          chainId: safeChainId,
           chainName: chain.text,
           merchantId: merchant.id,
           merchantName: merchant.text
         })
         this.detailData = Object.assign({}, this.currentRecord, {
-          chainId: chain.id,
+          chainId: safeChainId,
           chainName: chain.text,
           merchantId: merchant.id,
           merchantName: merchant.text