diff --git a/server/sim/content/bands/battle.js b/server/sim/content/bands/battle.js
index 77a02cc3..dd5a2aa7 100644
--- a/server/sim/content/bands/battle.js
+++ b/server/sim/content/bands/battle.js
@@ -16,8 +16,9 @@
 //   act1autochess_band13_buff 克莱门莎 崇高牺牲 a <bond_id> operator knocked down ⇒ +its tier (等阶) <bond_id> layers
 //                                               (bond_add_type by_charlevel; no "已激活" in the text ⇒ requireActive false)
 //   act1autochess_band16_buff 大帝 加急调派     "每次部署后再部署时间减少50%": every deployment of an operator stacks one
-//                                               redeploy ×(1 + respawn_time) for the rest of the battle [ASSUMED cumulative:
-//                                               "每次" — the first redeploy is −50 % under either reading]
+//                                               redeploy ×(1 + respawn_time) for the rest of the battle, with no cap (PRTS
+//                                               卫戍协议：盟约 下半 / PRTS盟约记录 备注 "※该策略效果可无限叠加"; a 20-stack cap
+//                                               until 0.2.2 — GitHub #328, PR #329)
 //   act1autochess_band17_buff 桑葚 药枚实验     at combat start the player's units on the front-most (最右边) column: each
 //                                               attack has `prob` to gain 1 shield layer (max 1)
 //   act1autochess_band18_buff 休谟斯 回收利用   a ground (地面) operator's skill ends ⇒ a random operator on its 4
@@ -106,7 +107,7 @@ const BY_KEY = {
     battle.on('deploy', (c) => {
       const u = c.unit;
       if (!isOp(u) || u.ownerId !== ps.playerId) return;
-      battle.addBuff(u, { key, mods: { redeployMul: mul }, refresh: 'stack', stacks: 1, maxStacks: 20, persist: true, allowDead: true });
+      battle.addBuff(u, { key, mods: { redeployMul: mul }, refresh: 'stack', stacks: 1, maxStacks: Infinity, persist: true, allowDead: true });
     });
   },
 
diff --git a/test/content/bands.test.js b/test/content/bands.test.js
index aeb3b2bc..783604f8 100644
--- a/test/content/bands.test.js
+++ b/test/content/bands.test.js
@@ -587,6 +587,18 @@ test('大帝 加急调派: every deployment halves the operator\'s next redeploy
   cover('band_emperor');
 });
 
+test('大帝 加急调派 stacks without a cap: the 21st and 22nd deployments still halve the next redeploy (PRTS "※该策略效果可无限叠加"; GitHub #328, PR #329)', () => {
+  const h = fight({ band: 'band_emperor', units: [{ chessId: 't_op', row: 10, col: 4 }] });
+  h.step(1);
+  const u = h.unit('t_op');
+  for (let n = 1; n <= 22; n++) {
+    h.b.retreat(u, { reason: 'raid' });
+    close(u.respawnAt - u.deathAt, 20 / 2 ** n, `after deployment ${n}`);
+    if (n < 22) assert.ok(h.b._deploy(u), `deployment ${n + 1}`);
+  }
+  assert.equal(u.findBuff('band:band_emperor').stacks, 22);
+});
+
 test('桑葚 药枚实验: the units on the right-most column get a 25 % chance per attack of 1 shield layer (max 1)', () => {
   const ops = { t_op: op('t_op'), t_b: op('t_b') };
   for (const [v, want] of [[0.24, 1], [0.26, 0]]) {