diff --git a/backend/core/views.py b/backend/core/views.py
index d57f36a..be623df 100644
--- a/backend/core/views.py
+++ b/backend/core/views.py
@@ -52,7 +52,7 @@ def random_data():
         "kpi": [
             {
                 "title": "گوشی Iphone 16 pro",
-                "metric": f"${intcomma(f"{random.uniform(1000, 9999):.02f}")}",
+                "metric": f"${intcomma(f'{random.uniform(1000, 9999):.02f}')}",
                 "footer": mark_safe(
                     f'<strong class="text-green-700 font-semibold dark:text-green-400">+{intcomma(f"{random.uniform(1, 9):.02f}")}%</strong>&nbsp;درصد فروش کل'
                 ),
@@ -65,14 +65,14 @@ def random_data():
             },
             {
                 "title": "لپ تاپ Macbook Pro M3",
-                "metric": f"${intcomma(f"{random.uniform(1000, 9999):.02f}")}",
+                "metric": f"${intcomma(f'{random.uniform(1000, 9999):.02f}')}",
                 "footer": mark_safe(
                     f'<strong class="text-green-700 font-semibold dark:text-green-400">+{intcomma(f"{random.uniform(1, 9):.02f}")}%</strong>&nbsp;درصد فروش کل'
                 ),
             },
             {
                 "title": "ساعت هوشمند Apple Watch 8",
-                "metric": f"${intcomma(f"{random.uniform(1000, 9999):.02f}")}",
+                "metric": f"${intcomma(f'{random.uniform(1000, 9999):.02f}')}",
                 "footer": mark_safe(
                     f'<strong class="text-green-700 font-semibold dark:text-green-400">+{intcomma(f"{random.uniform(1, 9):.02f}")}%</strong>&nbsp;درصد فروش کل'
                 ),