create and fix code

app/Models/RoadPatrol.php

@@ -4,6 +4,7 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\Relations\MorphToMany;
 use Illuminate\Database\Eloquent\Casts\Attribute;
@@ -46,13 +47,8 @@ class RoadPatrol extends Model
         );
     }
 
-    public function missions(): MorphToMany
+    public function mission(): BelongsTo
     {
-        return $this->morphToMany(Mission::class,
-            'missionable',
-            'missionables',
-            'missionable_id',
-            'mission_id',
-        );
+        return $this->belongsTo(Mission::class);
     }
 }