Fix Corporate Member

app/Models/CorporatePolicy.php

@@ -29,6 +29,14 @@ class CorporatePolicy extends Model
         'active',
     ];
 
+    protected $with = [
+        'latestLimitJournal'
+    ];
+
+    protected $appends = [
+        'limit_balance'
+    ];
+
     public function corporate()
     {
         return $this->belongsTo(Corporate::class);
@@ -39,6 +47,11 @@ class CorporatePolicy extends Model
         return $this->morphMany(LimitJournal::class, 'journalable');
     }
 
+    public function latestLimitJournal()
+    {
+        return $this->morphOne(LimitJournal::class, 'journalable')->latestOfMany();
+    }
+
     public function setCodeAttribute($value)
     {
         $this->attributes['code'] = !empty($value) ? $value : Str::upper(Str::random('6'));
@@ -61,7 +74,7 @@ class CorporatePolicy extends Model
 
     public function getLimitBalanceAttribute()
     {
-        $journal = $this->limitJournals()->latest()->first();
+        $journal = $this->latestLimitJournal;
 
         return $journal ? $journal->balance : (!empty($this->total_premi) ? $this->total_premi : "0");
     }