diff --git a/app/Filament/Resources/Manage/Cooperations/CooperationResource.php b/app/Filament/Resources/Manage/Cooperations/CooperationResource.php
index d0a6072..62edfee 100644
--- a/app/Filament/Resources/Manage/Cooperations/CooperationResource.php
+++ b/app/Filament/Resources/Manage/Cooperations/CooperationResource.php
@@ -158,7 +158,7 @@ public static function getEloquentQuery(): Builder
     {
         return parent::getEloquentQuery()
             ->when(auth()->user()->hasRole(RoleEnum::PERUSAHAAN->value), function (Builder $query): void {
-                $query->whereHas('cooperationMedias', function (Builder $subQuery): void {
+                $query->whereHas('cooperationMedia', function (Builder $subQuery): void {
                     $subQuery->whereHas('partnerMedia', function (Builder $mediaQuery): void {
                         $mediaQuery->whereHas('company', function (Builder $companyQuery): void {
                             $companyQuery->where('user_id', auth()->id());
diff --git a/app/Filament/Resources/Manage/Cooperations/RelationManagers/CooperationMediaRelationManager.php b/app/Filament/Resources/Manage/Cooperations/RelationManagers/CooperationMediaRelationManager.php
index dd34d20..a52d75e 100644
--- a/app/Filament/Resources/Manage/Cooperations/RelationManagers/CooperationMediaRelationManager.php
+++ b/app/Filament/Resources/Manage/Cooperations/RelationManagers/CooperationMediaRelationManager.php
@@ -23,7 +23,7 @@ class CooperationMediaRelationManager extends RelationManager
 {
     protected static ?string $recordTitleAttribute = 'partnerMedia.name';
 
-    protected static string $relationship = 'cooperationMedias';
+    protected static string $relationship = 'cooperationMedia';
 
     protected static ?string $title = 'Media';
 
diff --git a/app/Models/Cooperation.php b/app/Models/Cooperation.php
index 94f3a69..8585c04 100644
--- a/app/Models/Cooperation.php
+++ b/app/Models/Cooperation.php
@@ -64,7 +64,7 @@ protected function completed(Builder $query): void
         $query->where('status', CooperationStatus::COMPLETED);
     }
 
-    public function cooperationMedias(): HasMany
+    public function cooperationMedia(): HasMany
     {
         return $this->hasMany(CooperationMedia::class);
     }
@@ -87,7 +87,7 @@ public function payments(): HasManyThrough
         );
     }
 
-    public function proposals(): HasMany
+    public function proposal(): HasMany
     {
         return $this->hasMany(CooperationProposal::class);
     }
diff --git a/app/Models/PartnerMedia.php b/app/Models/PartnerMedia.php
index b6cfe3c..da37d22 100644
--- a/app/Models/PartnerMedia.php
+++ b/app/Models/PartnerMedia.php
@@ -89,7 +89,7 @@ public function company(): BelongsTo
         return $this->belongsTo(Company::class);
     }
 
-    public function cooperationMedias(): HasMany
+    public function cooperationMedia(): HasMany
     {
         return $this->hasMany(CooperationMedia::class);
     }