在线用户

app/Services/OnlineUserService.php

@@ -41,15 +41,16 @@ class OnlineUserService
         $hasCountry = Schema::hasColumn('user_login', 'country');
 
         // 先筛在线用户 ID（避免 join 干扰 count / 前缀别名问题）
+        // user_session.user_id 与 users.user_id 排序规则可能不一致（unicode_ci vs general_ci），比较时统一 COLLATE
         $onlineIdsQuery = DB::table('users')
             ->where(function ($q) use ($now, $activeSince) {
                 $q->whereExists(function ($sub) use ($now) {
                     $sub->select(DB::raw(1))
                         ->from('user_session')
-                        ->where(function ($w) {
-                            $w->whereColumn('user_session.user_id', 'users.user_id')
-                                ->orWhereColumn('user_session.user_id', 'users.member_id');
-                        })
+                        ->whereRaw(
+                            '(user_session.user_id COLLATE utf8mb4_general_ci = users.user_id COLLATE utf8mb4_general_ci'
+                            . ' OR user_session.user_id COLLATE utf8mb4_general_ci = users.member_id COLLATE utf8mb4_general_ci)'
+                        )
                         ->where('user_session.expire_time', '>', $now);
                 })->orWhere(function ($q2) use ($activeSince) {
                     $q2->where('users.last_active_time', '>', 1000000000)
@@ -119,9 +120,11 @@ class OnlineUserService
             ->groupBy('user_id');
 
         $detailQuery = DB::table('users')
-            ->leftJoin('wallets', 'wallets.member_id', '=', 'users.member_id')
+            ->leftJoin('wallets', function ($join) {
+                $join->whereRaw('wallets.member_id COLLATE utf8mb4_general_ci = users.member_id COLLATE utf8mb4_general_ci');
+            })
             ->leftJoinSub($latestLoginSql, 'll', function ($join) {
-                $join->on('ll.user_id', '=', 'users.user_id');
+                $join->whereRaw('ll.user_id COLLATE utf8mb4_general_ci = users.user_id COLLATE utf8mb4_general_ci');
             })
             ->leftJoin('user_login as ul', 'ul.id', '=', 'll.max_id')
             ->whereIn('users.id', $pageIds);