u

app/Models/BaseModel.php

@@ -23,12 +23,12 @@ class BaseModel extends Authenticatable
     protected $hidden = ['created_at', 'updated_at'];
     protected $fillable = [];
 
-    protected function getCreatedAtAttribute($value)
+    protected function getCreatedAtAttribute($value): string
     {
         return Carbon::parse($value)->setTimezone('Asia/Shanghai')->format('Y-m-d H:i:s');
     }
 
-    protected function getUpdatedAtAttribute($value)
+    protected function getUpdatedAtAttribute($value): string
     {
         return Carbon::parse($value)->setTimezone('Asia/Shanghai')->format('Y-m-d H:i:s');
     }