diff --git a/server/games/erqiwang/class.export.js b/server/games/erqiwang/class.export.js
index f6cb47f..dfc6fa2 100644
--- a/server/games/erqiwang/class.export.js
+++ b/server/games/erqiwang/class.export.js
@@ -185,10 +185,16 @@ var cls_youle_erqiwang_export = cls_youle_erqiwang_export || {
 							deskinfo.PushCards.pushlist[pai.playround - 1][owner - 1].push(i);
 						}
 					}
-					//按大小排序
+					//按大小排序：外层下标=轮次、内层恒为 3 个座位；排序须按本局主牌花色
+					//（内层曾误用轮次数作上界，会把内层数组撑成轮次长度并填入 undefined；
+					//  且曾误用上一个循环泄漏出来的 pai.flower——那是最后一张牌大王的花色 5，
+					//  等于按「无主牌」排序）
 					for (var i = 0; i < deskinfo.PushCards.pushlist.length; i++) {
-						for (var j = 0; j < deskinfo.PushCards.pushlist.length; j++) {
-							deskinfo.PushCards.pushlist[i][j] = cls_youle_erqiwang_arith.order_cards(pai.flower, deskinfo.PushCards.pushlist[i][j]);
+						if (!deskinfo.PushCards.pushlist[i]){
+							continue;
+						}
+						for (var j = 0; j < 3; j++) {
+							deskinfo.PushCards.pushlist[i][j] = cls_youle_erqiwang_arith.order_cards(paiju.flower, deskinfo.PushCards.pushlist[i][j]);
 						}
 					}
 					break;	
diff --git a/server/games/erqiwang/test/test_rpc.js b/server/games/erqiwang/test/test_rpc.js
index 6d56c10..0f3cf49 100644
--- a/server/games/erqiwang/test/test_rpc.js
+++ b/server/games/erqiwang/test/test_rpc.js
@@ -130,6 +130,44 @@ t.eq('埋牌 不查牌 闲家无liangpai', mpXian && mpXian.data.liangpai, undef
 t.eq('重连 可查牌 PushCards有seatlist', E.get_deskinfo(e.o_room, 1).PushCards.seatlist !== undefined, true);
 t.eq('重连 不查牌 PushCards无seatlist', E.get_deskinfo(en.o_room, 1).PushCards.seatlist, undefined);
 
+// ===================== 重连 PushCards.pushlist：结构恒 3 座位 + 按本局主牌花色排序 =====================
+// 造 5 轮已出牌的牌局（每轮每家 1 张），外加 seat0 在第 1 轮同时出「主5 + 副♥A」用于验证排序
+function mkPushlist() {
+    const pj = {
+        idx: 1, step: 5, banker: 0, call: 65, flower: 1, callproc: [],
+        seatlist: [[[0, 0], [0, 0], [0, 0], [0, 0], [-1, -1]], [[0, 0], [0, 0], [0, 0], [0, 0], [-1, -1]], [[0, 0], [0, 0], [0, 0], [0, 0], [-1, -1]]],
+        playproc: { round: 5, start: 0, currseat: 0, cards: [[], [], []] },
+        cards: make108()
+    };
+    for (let i = 0; i < 108; i++) pj.cards[i].dealowner = (i % 3) + 1;
+    // 每轮每家一张
+    let next = 0;
+    for (let r = 1; r <= 5; r++) for (let s = 0; s < 3; s++) {
+        for (let i = next; i < 108; i++) {
+            if (pj.cards[i].dealowner === s + 1 && pj.cards[i].playround === -1) { pj.cards[i].playround = r; break; }
+        }
+    }
+    // seat0 第1轮补出：主5(flower1) 与 副♥A(flower3)，主牌必须排在副牌前
+    const zhu5 = id(1, 1, 5), fuA = id(1, 3, 1);
+    for (const c of [zhu5, fuA]) { pj.cards[c].dealowner = 1; pj.cards[c].playround = 1; }
+    pj.method = {
+        get_seat_cards: s => P.get_seat_cards(pj, s),
+        get_jian_grade: () => P.get_jian_grade(pj),
+        get_burycard: () => P.get_burycard(pj),
+        get_liangpai: () => null
+    };
+    return { pj, zhu5, fuA };
+}
+const pl = mkPushlist();
+const plRoom = setup("00000", pl.pj).o_room;
+const di = E.get_deskinfo(plRoom, 1).PushCards.pushlist;
+t.eq('重连 pushlist 轮数=5', di.length, 5);
+t.eq('重连 pushlist 每轮恒3个座位', di.map(r => r.length), [3, 3, 3, 3, 3]);
+t.eq('重连 pushlist 不含 undefined', di.some(r => r.some(x => x === undefined)), false);
+// 第1轮 seat0 的牌：主5 必须排在副♥A 之前（按 paiju.flower=1 排序，而非泄漏的大王花色5）
+t.eq('重连 pushlist 按本局主牌花色排序(主5在副A前)',
+    di[0][0].indexOf(pl.zhu5) < di[0][0].indexOf(pl.fuA), true);
+
 // ===================== §7.3 下发面 multiple 必须随「爬坡」开关取值（与结算 aset.multiple 同源）=====================
 // 叫 45 分：常规算子基础子数 6（design §7.1「50 及以下统一 6」），爬坡 7（design §7.3.1）
 const A = require('../class.arith.js');