diff --git a/app/Http/Controllers/ChartController.php b/app/Http/Controllers/ChartController.php
index 9bf35ca..6a039d2 100644
--- a/app/Http/Controllers/ChartController.php
+++ b/app/Http/Controllers/ChartController.php
@@ -69,7 +69,9 @@ class ChartController extends Controller
      */
     public function riceShrimpWeeklyPrice(Request $request)
     {
-        $weeks = Keywords::where('type_key', 'weeks-per-year')->pluck('name', 'key');
+        $now = now();
+
+        $weeks = Keywords::where('type_key', 'weeks-per-year')->pluck('name', 'id');
 
         $years = RiceShrimpWeeklyPrice::select('year')
             ->groupBy('year')
@@ -98,6 +100,7 @@ class ChartController extends Controller
         });
 
         return [
+            'c_week' => ($now->month - 1) * 4 + ($now->weekOfMonth > 4 ? 4 : $now->weekOfMonth),
             'x_axis' => $weeks->values(),
             'series' => $series->sortKeys()->values()->all(),
         ];