diff --git a/assets/Script/GameManager.ts b/assets/Script/GameManager.ts
index 0375649..3d9f462 100644
--- a/assets/Script/GameManager.ts
+++ b/assets/Script/GameManager.ts
@@ -439,7 +439,13 @@ export default class GameManager extends cc.Component {
                         this.checkDailyQuests();
                         // console.log("服务器强制刷新状态__________", data.data.forcedUpdate);
                         //如果有连胜记录，就赋值
-                        if (data.data.winStreak !== undefined && data.data.winStreak !== null) {
+                        if (cc.fx.GameConfig.forceRainbowWinStreakB) {
+                            cc.fx.GameConfig.GM_INFO.winStreak = 10;
+                            cc.fx.GameConfig.GM_INFO.winState = true;
+                            cc.fx.StorageMessage.setStorage("winStreak", 10);
+                            cc.fx.StorageMessage.setStorage("winState", true);
+                        }
+                        else if (data.data.winStreak !== undefined && data.data.winStreak !== null) {
                             // console.log("从服务器得到连胜", data.data.winStreak);
                             cc.fx.GameConfig.GM_INFO.winStreak = parseInt(data.data.winStreak);
                             let winState = cc.fx.StorageMessage.getStorage("winState");
diff --git a/assets/Script/Map.ts b/assets/Script/Map.ts
index 61dcf67..b56f3a0 100644
--- a/assets/Script/Map.ts
+++ b/assets/Script/Map.ts
@@ -1036,7 +1036,7 @@ export default class MapConroler extends cc.Component {
                 "win_streak": cc.fx.GameConfig.GM_INFO.winStreak,
             }
             if (cc.fx.GameConfig.GM_INFO.winStreak >= 10 && cc.fx.GameConfig.GM_INFO.otherLevel == 0) {
-                cc.fx.GameConfig.GM_INFO.winState = false;
+                cc.fx.GameConfig.GM_INFO.winState = cc.fx.GameConfig.forceRainbowWinStreakB;
                 cc.fx.StorageMessage.setStorage("winState", cc.fx.GameConfig.GM_INFO.winState);
             }
             cc.fx.GameTool.shushu_Track("enter_stage", data);
diff --git a/assets/Script/RainbowRules.ts b/assets/Script/RainbowRules.ts
index b1089ce..d8a2de7 100644
--- a/assets/Script/RainbowRules.ts
+++ b/assets/Script/RainbowRules.ts
@@ -2,7 +2,7 @@ export const RAINBOW_COLOR = 100;
 export const RAINBOW_CAPACITY = 30;
 export const RAINBOW_CELL_ENERGY = 3;
 // 临时放慢飞行以便测试；飞行结束后才裁切方块，正式时长为 0.3 秒。
-export const RAINBOW_CAST_SECONDS = 1.5;
+export const RAINBOW_CAST_SECONDS = 1;
 
 export interface RainbowCell { x: number; y: number; }
 export interface RainbowCut {
diff --git a/assets/Script/module/Config/GameConfig.ts b/assets/Script/module/Config/GameConfig.ts
index b616ca3..d62ae50 100644
--- a/assets/Script/module/Config/GameConfig.ts
+++ b/assets/Script/module/Config/GameConfig.ts
@@ -431,7 +431,7 @@ export class GameConfig {
         return levels[feature];
     }
 
-    // 临时测试彩虹十连胜 B 方案；改为 false 后恢复真实 AB 分组。
+    // 临时测试：强制彩虹 B 方案，输赢、退出均保持十连胜；false 恢复真实 AB 和正常连胜规则。
     static forceRainbowWinStreakB = true;
 
     static isRainbowWinStreak(): boolean {
diff --git a/assets/Script/module/Tool/GameTool.ts b/assets/Script/module/Tool/GameTool.ts
index f755524..44487c5 100644
--- a/assets/Script/module/Tool/GameTool.ts
+++ b/assets/Script/module/Tool/GameTool.ts
@@ -1986,6 +1986,13 @@ var GameTool = {
     },
 
     setWinStreak(type) {
+        if (cc.fx.GameConfig.forceRainbowWinStreakB) {
+            cc.fx.GameConfig.GM_INFO.winStreak = 10;
+            cc.fx.GameConfig.GM_INFO.winState = true;
+            cc.fx.StorageMessage.setStorage("winStreak", 10);
+            cc.fx.StorageMessage.setStorage("winState", true);
+            return;
+        }
         if (type == "sucess") {
             if (cc.fx.GameConfig.GM_INFO.winStreak <= 10) {
                 cc.fx.GameConfig.GM_INFO.winStreak += 1;
diff --git a/tools/test-rainbow-streak.cjs b/tools/test-rainbow-streak.cjs
index 42a3eeb..dd26a31 100644
--- a/tools/test-rainbow-streak.cjs
+++ b/tools/test-rainbow-streak.cjs
@@ -500,3 +500,30 @@ test('home restores test streak before rendering, even when login or a previous
         assert.equal(config.GM_INFO.winState, enabled);
     }
 });
+
+test('test switch keeps ten wins through wins and losses; disabling restores normal settlement', () => {
+    const source = ts.createSourceFile('GameTool.ts', read('assets/Script/module/Tool/GameTool.ts'), ts.ScriptTarget.Latest, true);
+    const declaration = source.statements.filter(ts.isVariableStatement)
+        .flatMap(node => [...node.declarationList.declarations]).find(node => node.name.getText(source) === 'GameTool');
+    const member = declaration.initializer.properties.find(node => node.name.getText(source) === 'setWinStreak');
+    const config = { forceRainbowWinStreakB: true, GM_INFO: { winStreak: 0, winState: false } };
+    const saved = {}; let uploads = 0;
+    const settle = vm.runInNewContext('({' + member.getText(source) + '}).setWinStreak', {
+        cc: { fx: { GameConfig: config, StorageMessage: { setStorage: (key, value) => saved[key] = value } } },
+        Utils: { setWinStreak() { uploads++; } }
+    });
+    for (const result of ['fail', 'sucess', 'fail', 'fail', 'sucess']) {
+        settle(result);
+        assert.equal(config.GM_INFO.winStreak, 10); assert.equal(config.GM_INFO.winState, true);
+        assert.deepEqual(saved, { winStreak: 10, winState: true });
+    }
+    assert.equal(uploads, 0);
+    config.forceRainbowWinStreakB = false;
+    settle('fail');
+    assert.equal(config.GM_INFO.winStreak, 0); assert.equal(config.GM_INFO.winState, false);
+    assert.deepEqual(saved, { winStreak: 0, winState: false });
+    config.GM_INFO.winStreak = 9;
+    settle('sucess');
+    assert.equal(config.GM_INFO.winStreak, 10); assert.equal(config.GM_INFO.winStreakFirst, true);
+    assert.equal(uploads, 2);
+});