fix: keystore

tests/Feature/PageVisitTest.php

@@ -593,6 +593,46 @@ class PageVisitTest extends TestCase
             ->assertJsonPath('data.0.country_label', '中国');
     }
 
+    #[Test]
+    public function visits_data_filters_country_by_chinese_name(): void
+    {
+        PageVisit::query()->create([
+            'channel_id' => self::CHANNEL,
+            'client_uid' => 'aaaaaaaaaaaaaaaa',
+            'chain' => PageVisit::CHAIN_CORUNA,
+            'os' => 'iOS',
+            'ip' => '1.2.3.4',
+            'country' => 'CN',
+            'created_at' => now(),
+        ]);
+        PageVisit::query()->create([
+            'channel_id' => self::CHANNEL,
+            'client_uid' => 'bbbbbbbbbbbbbbbb',
+            'chain' => PageVisit::CHAIN_CORUNA,
+            'os' => 'iOS',
+            'ip' => '5.6.7.8',
+            'country' => 'US',
+            'created_at' => now(),
+        ]);
+
+        $admin = Admin::query()->create(['username' => 'admin', 'password' => 'admin123']);
+
+        // Chinese name resolves to the same ISO code as the stored value.
+        $this->actingAs($admin, 'admin')
+            ->getJson(route('admin.visits.data', ['range' => 'today', 'country' => '中国']))
+            ->assertOk()
+            ->assertJsonPath('count', 1)
+            ->assertJsonPath('data.0.country', 'CN')
+            ->assertJsonPath('data.0.country_label', '中国');
+
+        // Unrecognized text is ignored (no filter applied), consistent with
+        // how invalid ISO codes are treated.
+        $this->actingAs($admin, 'admin')
+            ->getJson(route('admin.visits.data', ['range' => 'today', 'country' => '不存在的国家']))
+            ->assertOk()
+            ->assertJsonPath('count', 2);
+    }
+
     #[Test]
     public function visits_data_does_not_filter_chain_until_explicitly_chosen(): void
     {