diff --git a/app/Controller/CouponController.php b/app/Controller/CouponController.php
index e8b26e2..4565025 100644
--- a/app/Controller/CouponController.php
+++ b/app/Controller/CouponController.php
@@ -34,33 +34,52 @@ class CouponController extends BaseController
             $this->success(['not_reveive' => []]);
         }
 
-        $c_ids   = CouponUserRecType::where('receive_type', $receive_type)->pluck('system_coupon_user_id');
+        $c_ids = [];
+        // 渠道开启，查询该渠道可以领取的优惠券ID
+        // 渠道未开启，查询所有优惠券
+        if (env('SUB_CHANNEL') == 1) {
+            $c_ids = CouponUserRecType::where('receive_type', $receive_type)->pluck('system_coupon_user_id');
+        } else {
+            $c_ids = Coupon::pluck('id');
+        }
+
         $nowTime = time();
-        $cr_ids = CouponRec::where([
-            ['user_id',"=",$user_id],
-            ['receive_type',"=",$receive_type]
-            ])->pluck('system_coupon_user_id');
+
+        $where = [
+            ['user_id',"=",$user_id]
+        ];
+
+        // 渠道开启，查询该用户在此渠道领过的优惠券ID
+        if (env('SUB_CHANNEL') == 1) {
+            array_push($where, ['receive_type', "=", $receive_type]);
+        }
+
+        $cr_ids = CouponRec::where($where)->pluck('system_coupon_user_id');
 
         //领过券的ID
         $c_ids = $c_ids->toArray();
         $cr_ids = $cr_ids->toArray();
 
+        // 当前用户可领的优惠券ID
+        $couponIds = array_diff($c_ids, $cr_ids);
+
         $c = Db::table('ims_system_coupon_user as u')
-        ->where([
-            ['u.end_time','>',$nowTime],
-            ['u.start_time','<=',$nowTime],
-            ['type.receive_type','=',$receive_type],
-            ['u.status','=',1],
-        ])
-        ->join('ims_system_coupon_user_receivetype as type', 'u.id', '=', 'type.system_coupon_user_id')
-        ->whereRaw('u.inventory_use <= u.inventory and u.inventory-u.inventory_use > type.one_receive_number')
-        ->whereIn('u.id',$c_ids)
-        ->whereNotIn('u.id',$cr_ids)
-        ->select('u.*','type.one_receive_number')
-        ->orderBy('u.weigh','desc')
-        // ->orderByRaw('FIELD(u.id, '.implode(", " , $ids).')')
-        ->limit(4)
-        ->get();
+            ->where([
+                ['u.end_time','>',$nowTime],
+                ['u.start_time','<=',$nowTime],
+                ['type.receive_type','=',$receive_type],
+                ['u.status','=',1],
+            ])
+            ->join('ims_system_coupon_user_receivetype as type', 'u.id', '=', 'type.system_coupon_user_id')
+            ->whereRaw('u.inventory_use <= u.inventory and u.inventory-u.inventory_use > type.one_receive_number')
+            // ->whereIn('u.id',$c_ids)
+            // ->whereNotIn('u.id',$cr_ids)
+            ->whereIn('u.id', $couponIds)
+            ->select('u.*','type.one_receive_number')
+            ->orderBy('u.weigh','desc')
+            // ->orderByRaw('FIELD(u.id, '.implode(", " , $ids).')')
+            ->limit(4)
+            ->get();
         foreach ($c as $k => &$v){
             if($v->discount_type == 2){
                 $v->discounts = floatval($v->discounts);