diff --git a/src/views/flow/components/payMx.vue b/src/views/flow/components/payMx.vue
index 1e36b6e..a7d6a01 100644
--- a/src/views/flow/components/payMx.vue
+++ b/src/views/flow/components/payMx.vue
@@ -577,7 +577,11 @@ import {getToken} from "@/utils/auth";
 
           // 从明细中聚合主数据：合同ID串与金额合计
           const contractIdStr = Array.from(new Set(wuzicaigou_items.map(i => i.contract_id).filter(Boolean))).join(',')
-          const amtTotal = wuzicaigou_items.reduce((sum, i) => sum + (Number(i.group_apply_money || i.apply_money) || 0), 0)
+          // 金额按每个区块的申请金额求和（同一支付内不重复累加明细）
+          const amtTotal = (this.payList || []).reduce((sum, p) => {
+            const form = this.fundlogFormMap[p.id] || {}
+            return sum + (Number(form.applyMoney) || 0)
+          }, 0)
 
           // 从合同列表聚合展示数据
           const sumMoney = (contracts || []).reduce((sum, c) => sum + (Number(c?.money) || 0), 0)