diff --git a/assets/resources/gui/element/reward_item_exp.prefab b/assets/resources/gui/element/reward_item_exp.prefab
index f568a8d8..5c6f5191 100644
--- a/assets/resources/gui/element/reward_item_exp.prefab
+++ b/assets/resources/gui/element/reward_item_exp.prefab
@@ -878,7 +878,9 @@
     "__prefab": {
       "__id__": 37
     },
-    "count_label": null,
+    "count_label": {
+      "__id__": 31
+    },
     "_id": ""
   },
   {
@@ -894,6 +896,7 @@
       "__id__": 0
     },
     "fileId": "47Sc4S8E5EfJ3uZtG97byB",
+    "instance": null,
     "targetOverrides": null
   }
 ]
\ No newline at end of file
diff --git a/assets/resources/gui/element/reward_item_gold.prefab b/assets/resources/gui/element/reward_item_gold.prefab
index aec697cf..54870643 100644
--- a/assets/resources/gui/element/reward_item_gold.prefab
+++ b/assets/resources/gui/element/reward_item_gold.prefab
@@ -713,7 +713,9 @@
     "__prefab": {
       "__id__": 31
     },
-    "count_label": null,
+    "count_label": {
+      "__id__": 25
+    },
     "_id": ""
   },
   {
@@ -729,6 +731,7 @@
       "__id__": 0
     },
     "fileId": "10z6GxEehAebPrefUJTgkq",
+    "instance": null,
     "targetOverrides": null
   }
 ]
\ No newline at end of file
diff --git a/assets/script/game/common/SingletonModuleComp.ts b/assets/script/game/common/SingletonModuleComp.ts
index 961930cf..24caf35c 100644
--- a/assets/script/game/common/SingletonModuleComp.ts
+++ b/assets/script/game/common/SingletonModuleComp.ts
@@ -211,7 +211,8 @@ export class SingletonModuleComp extends ecs.Comp {
             achieved_highlights: [],
         } as GameScoreStats,
 
-        gold: 0, // 金币数据（MVVM绑定字段）
+        gold: 0, // 金币数据（MVVM绑定字段，镜像 data.gold）
+        diamond: 0, // 钻石数据（MVVM绑定字段，镜像 data.diamond）
         switch_effect: true, // 音效开关（MVVM绑定字段）
         switch_music: true,  // 音乐开关（MVVM绑定字段）
     };
@@ -303,13 +304,24 @@ export class SingletonModuleComp extends ecs.Comp {
                 Object.assign(this.data, cloudData.data);
             }
 
-            // 触发UI更新
+            // 触发UI更新（同步镜像层 + 事件）
+            this.syncCurrencyToView();
             oops.message.dispatchEvent(GameEvent.GOLD_UPDATE);
 
         } catch (error) {
             mLogger.error(this.debugMode, 'SMC', `[SMC]: 数据覆盖失败:`, error);
         }
     }
+
+    /**
+     * 将 data 层的货币镜像到 vmdata 视图层（MVVM 绑定字段）。
+     * Why: data 为云端持久权威源，vmdata.gold/diamond 仅供界面绑定展示；
+     *      登录覆盖、奖励发放后都必须调用本方法保持镜像一致。
+     */
+    public syncCurrencyToView(): void {
+        this.vmdata.gold = this.data.gold ?? 0;
+        this.vmdata.diamond = this.data.diamond ?? 0;
+    }
     getGameDate() {
         let data: GameDate = {
             ...this.data,
@@ -318,8 +330,29 @@ export class SingletonModuleComp extends ecs.Comp {
         return data;
     }
 
+    /**
+     * 变更金币（正数获得 / 负数消耗），以 data 为权威源并镜像到 vmdata。
+     * @param gold 变动量
+     * @param is_sync 是否标记脏并触发云端/本地同步
+     */
     updateGold(gold: number, is_sync: boolean = true) {
-        this.vmdata.gold += gold;
+        this.data.gold = Math.max(0, (this.data.gold ?? 0) + gold);
+        this.vmdata.gold = this.data.gold;
+        if (is_sync) {
+            gameDataSync.markDataDirty();
+        }
+        oops.message.dispatchEvent(GameEvent.GOLD_UPDATE)
+        return true
+    }
+
+    /**
+     * 变更钻石（正数获得 / 负数消耗），以 data 为权威源并镜像到 vmdata。
+     * @param diamond 变动量
+     * @param is_sync 是否标记脏并触发云端/本地同步
+     */
+    updateDiamond(diamond: number, is_sync: boolean = true) {
+        this.data.diamond = Math.max(0, (this.data.diamond ?? 0) + diamond);
+        this.vmdata.diamond = this.data.diamond;
         if (is_sync) {
             gameDataSync.markDataDirty();
         }
diff --git a/assets/script/game/map/VictoryComp.ts b/assets/script/game/map/VictoryComp.ts
index cb098d0d..5d873dd1 100644
--- a/assets/script/game/map/VictoryComp.ts
+++ b/assets/script/game/map/VictoryComp.ts
@@ -560,8 +560,7 @@ export class VictoryComp extends CCComp {
 
         // 3. 落地发放
         if (gold > 0) {
-            smc.data.gold = (smc.data.gold || 0) + gold;   // 持久化（存档口径）
-            smc.updateGold(gold);                          // 驱动 MVVM 展示
+            smc.updateGold(gold);   // 统一入口：改 data 持久层 + 镜像 vmdata + 标脏同步
         }
         if (talentExp > 0) {
             smc.addTalentExp(talentExp);