diff --git a/pages-game/game/minesweeper/index.vue b/pages-game/game/minesweeper/index.vue
index 55bd0f3..5cf4b37 100644
--- a/pages-game/game/minesweeper/index.vue
+++ b/pages-game/game/minesweeper/index.vue
@@ -5,9 +5,6 @@
     
     <!-- 头部 -->
     <view class="header">
-      <view class="back-btn" @tap="goBack">
-        <text class="back-icon">←</text>
-      </view>
       <text class="title">动物扫雷大作战</text>
     </view>
 
@@ -73,9 +70,7 @@ export default {
     this.loadTickets()
   },
   methods: {
-    goBack() {
-      uni.navigateBack()
-    },
+
     async loadTickets() {
       this.loading = true
       try {
@@ -151,25 +146,7 @@ export default {
   padding-top: calc(80rpx + env(safe-area-inset-top));
 }
 
-.back-btn {
-  width: 80rpx;
-  height: 80rpx;
-  background: white;
-  border-radius: 50%;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  box-shadow: $shadow-sm;
-  
-  &:active {
-    transform: scale(0.95);
-  }
-}
 
-.back-icon {
-  font-size: 40rpx;
-  color: $text-main;
-}
 
 .title {
   flex: 1;
diff --git a/pages-game/game/minesweeper/play.vue b/pages-game/game/minesweeper/play.vue
index f663843..1a1b73c 100644
--- a/pages-game/game/minesweeper/play.vue
+++ b/pages-game/game/minesweeper/play.vue
@@ -441,7 +441,7 @@ export default {
           console.log('=== 匹配成功事件 ===');
           console.log('[匹配时间]', new Date().toLocaleString());
           console.log('[Match ID]', matched.match_id);
-          console.log('[Match Token]', matched.token ? '存在' : '不存在');
+          console.log('[Match Token]', matched.token ? '存在' : '不存在 (权威模式通常不需要)');
           console.log('[完整匹配对象]', JSON.stringify(matched, null, 2));
           console.log('==================');
 
@@ -497,7 +497,9 @@ export default {
         },
         onmatchdata: (matchData) => {
           const opCode = matchData.op_code;
-          const data = JSON.parse(new TextDecoder().decode(matchData.data));
+          // NakamaManager 已内部处理了 utf8 解码，直接 parse 即可
+          // const data = JSON.parse(new TextDecoder().decode(matchData.data));
+          const data = typeof matchData.data === 'string' ? JSON.parse(matchData.data) : matchData.data;
 
           // ========== 控制台日志 - 接收游戏数据 ==========
           console.log('=== 接收游戏数据 ===');
diff --git a/utils/nakamaManager.js b/utils/nakamaManager.js
index c668a15..e47dd6b 100644
--- a/utils/nakamaManager.js
+++ b/utils/nakamaManager.js
@@ -207,7 +207,12 @@ class NakamaManager {
         } else if (message.match_data) {
             // 解码 base64 数据
             if (message.match_data.data) {
-                message.match_data.data = this._base64ToUint8Array(message.match_data.data);
+                // 原生 Base64 -> Unit8Array
+                const uint8arr = this._base64ToUint8Array(message.match_data.data);
+                // ！！！关键修复：移除不可用的 TextDecoder，直接传输 Unit8Array，或在业务层处理
+                // 由于 play.vue 中还在使用 TextDecoder，这里我们需要提供一个方法来转字符串
+                // 为了兼容性，我们直接在这里转成字符串传出去，修改 onmatchdata 的约定
+                message.match_data.data = this._utf8Decode(uint8arr);
             }
             message.match_data.op_code = parseInt(message.match_data.op_code);
             if (this.listeners.onmatchdata) {
@@ -421,6 +426,24 @@ class NakamaManager {
         return bytes;
     }
 
+    _utf8Decode(bytes) {
+        let out = "";
+        let i = 0;
+        while (i < bytes.length) {
+            let c = bytes[i++];
+            if (c >> 7 == 0) {
+                out += String.fromCharCode(c);
+            } else if (c >> 5 == 0x06) {
+                out += String.fromCharCode(((c & 0x1F) << 6) | (bytes[i++] & 0x3F));
+            } else if (c >> 4 == 0x0E) {
+                out += String.fromCharCode(((c & 0x0F) << 12) | ((bytes[i++] & 0x3F) << 6) | (bytes[i++] & 0x3F));
+            } else {
+                out += String.fromCharCode(((c & 0x07) << 18) | ((bytes[i++] & 0x3F) << 12) | ((bytes[i++] & 0x3F) << 6) | (bytes[i++] & 0x3F));
+            }
+        }
+        return out;
+    }
+
     _parseUserIdFromToken(token) {
         try {
             const parts = token.split('.');