diff --git a/app/Enums/DealerLvl.php b/app/Enums/DealerLvl.php
index 86ae791a..ff05420b 100644
--- a/app/Enums/DealerLvl.php
+++ b/app/Enums/DealerLvl.php
@@ -10,6 +10,21 @@ enum DealerLvl: int {
     case Secondary = 5;
     case Top = 6;
 
+    /**
+     * 代理等级
+     */
+    public function agentLvl()
+    {
+        return match ($this) {
+            static::None => 1,
+            static::Gold => 3,
+            static::Special => 4,
+            static::Contracted => 5,
+            static::Secondary => 6,
+            static::Top => 7,
+        };
+    }
+
     /**
      * @return string
      */
diff --git a/app/Models/Dealer.php b/app/Models/Dealer.php
index 732a1920..fbed1f50 100644
--- a/app/Models/Dealer.php
+++ b/app/Models/Dealer.php
@@ -34,18 +34,6 @@ class Dealer extends Model
         'contracted_lvl_at',
     ];
 
-    /**
-     * {@inheritdoc}
-     */
-    protected static function booted()
-    {
-        static::creating(function ($dealer) {
-            if ($dealer->last_upgrade_at === null) {
-                $dealer->last_upgrade_at = now();
-            }
-        });
-    }
-
     public function user()
     {
         return $this->belongsTo(User::class, 'user_id');
@@ -179,5 +167,13 @@ class Dealer extends Model
             'change_lvl' => $lvl,
             'remark' => $remark,
         ]);
+
+        // 变更代理等级
+        $mapAgentLvl = $this->lvl->agentLvl();
+
+        if ($this->userInfo->agent_level < $mapAgentLvl) {
+            $this->userInfo->agent_level = $mapAgentLvl;
+            $this->userInfo->save();
+        }
     }
 }