diff --git a/kaipiao-no-train.js b/kaipiao-no-train.js
index 678957e..a5dd48c 100644
--- a/kaipiao-no-train.js
+++ b/kaipiao-no-train.js
@@ -193,7 +193,11 @@ async function processHotelBill(bill, billIndex, totalBills) {
     }
 
     const initResp = await initReceiveOrderPrice(settlementSeq, receiveBillId);
-    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+
+    const waitSeconds = randomDelaySeconds();
+    console.log('  [延时] 随机等待 ' + waitSeconds + 's 后继续开票...');
+    await sleep(waitSeconds * 1000);
 
     const confirmResp = await confirmInvoiceOrder(settlementSeq, receiveBillId);
     console.log('  -> confirmInvoiceOrder:', JSON.stringify(confirmResp));
@@ -234,7 +238,11 @@ async function processFlightBill(bill, billIndex, totalBills) {
     }
 
     const initResp = await initReceiveOrderPrice(settlementSeq, receiveBillId);
-    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+
+    const waitSeconds = randomDelaySeconds();
+    console.log('  [延时] 随机等待 ' + waitSeconds + 's 后继续开票...');
+    await sleep(waitSeconds * 1000);
 
     const confirmResp = await confirmInvoiceOrder(settlementSeq, receiveBillId);
     console.log('  -> confirmInvoiceOrder:', JSON.stringify(confirmResp));
@@ -261,7 +269,11 @@ async function processInternationalFlightBill(bill, billIndex, totalBills) {
     console.log('  --- 国际机票 [' + billIndex + '/' + totalBills + '] ' + bill.statementName + ' ---');
 
     const initResp = await initReceiveOrderPrice(settlementSeq, receiveBillId);
-    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+
+    const waitSeconds = randomDelaySeconds();
+    console.log('  [延时] 随机等待 ' + waitSeconds + 's 后继续开票...');
+    await sleep(waitSeconds * 1000);
 
     const confirmResp = await confirmInvoiceOrder(settlementSeq, receiveBillId);
     console.log('  -> confirmInvoiceOrder:', JSON.stringify(confirmResp));
@@ -297,15 +309,8 @@ async function main() {
         return;
     }
 
-    for (let i = 0; i < teamIds.length; i++) {
-        const teamId = teamIds[i];
-
-        if (i > 0) {
-            const waitSeconds = randomDelaySeconds();
-            console.log('  [延时] 随机等待 ' + waitSeconds + 's 后处理下一个 TEAM...\n');
-            await sleep(waitSeconds * 1000);
-        }
-
+    for (let i = 0; i < teamIds.length; i++) {
+        const teamId = teamIds[i];
         console.log('[' + (i + 1) + '/' + teamIds.length + '] 处理 ' + teamId + ' ...');
 
         try {
diff --git a/kaipiao.js b/kaipiao.js
index 4cb182d..167fe99 100644
--- a/kaipiao.js
+++ b/kaipiao.js
@@ -204,7 +204,11 @@ async function processTrainBill(bill, billIndex, totalBills) {
     console.log('  --- 火车票 [' + billIndex + '/' + totalBills + '] ' + bill.statementName + ' ---');
 
     const initResp = await initReceiveOrderPrice(settlementSeq, receiveBillId);
-    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+
+    const waitSeconds = randomDelaySeconds();
+    console.log('  [延时] 随机等待 ' + waitSeconds + 's 后继续开票...');
+    await sleep(waitSeconds * 1000);
 
     const confirmResp = await confirmInvoiceOrder(settlementSeq, receiveBillId);
     console.log('  -> confirmInvoiceOrder:', JSON.stringify(confirmResp));
@@ -238,7 +242,11 @@ async function processHotelBill(bill, billIndex, totalBills) {
     }
 
     const initResp = await initReceiveOrderPrice(settlementSeq, receiveBillId);
-    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+
+    const waitSeconds = randomDelaySeconds();
+    console.log('  [延时] 随机等待 ' + waitSeconds + 's 后继续开票...');
+    await sleep(waitSeconds * 1000);
 
     const confirmResp = await confirmInvoiceOrder(settlementSeq, receiveBillId);
     console.log('  -> confirmInvoiceOrder:', JSON.stringify(confirmResp));
@@ -279,7 +287,11 @@ async function processFlightBill(bill, billIndex, totalBills) {
     }
 
     const initResp = await initReceiveOrderPrice(settlementSeq, receiveBillId);
-    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+
+    const waitSeconds = randomDelaySeconds();
+    console.log('  [延时] 随机等待 ' + waitSeconds + 's 后继续开票...');
+    await sleep(waitSeconds * 1000);
 
     const confirmResp = await confirmInvoiceOrder(settlementSeq, receiveBillId);
     console.log('  -> confirmInvoiceOrder:', JSON.stringify(confirmResp));
@@ -306,7 +318,11 @@ async function processInternationalFlightBill(bill, billIndex, totalBills) {
     console.log('  --- 国际机票 [' + billIndex + '/' + totalBills + '] ' + bill.statementName + ' ---');
 
     const initResp = await initReceiveOrderPrice(settlementSeq, receiveBillId);
-    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+    console.log('  -> initReceiveOrderPrice:', JSON.stringify(initResp));
+
+    const waitSeconds = randomDelaySeconds();
+    console.log('  [延时] 随机等待 ' + waitSeconds + 's 后继续开票...');
+    await sleep(waitSeconds * 1000);
 
     const confirmResp = await confirmInvoiceOrder(settlementSeq, receiveBillId);
     console.log('  -> confirmInvoiceOrder:', JSON.stringify(confirmResp));
@@ -342,15 +358,8 @@ async function main() {
         return;
     }
 
-    for (let i = 0; i < teamIds.length; i++) {
-        const teamId = teamIds[i];
-
-        if (i > 0) {
-            const waitSeconds = randomDelaySeconds();
-            console.log('  [延时] 随机等待 ' + waitSeconds + 's 后处理下一个 TEAM...\n');
-            await sleep(waitSeconds * 1000);
-        }
-
+    for (let i = 0; i < teamIds.length; i++) {
+        const teamId = teamIds[i];
         console.log('[' + (i + 1) + '/' + teamIds.length + '] 处理 ' + teamId + ' ...');
 
         try {