feat(packages/external): 优化自定义标签选择器分段默认背景色

@@ -32,10 +32,10 @@ export const option = {
   tabStyleOptions: {
     textColor: 'green',
     textActiveColor: 'black',
-    textBackgroundColor: '#ffffff',
+    textBackgroundColor: '#FFFFFF',
     tabBarColor: 'green',
-    segmentBackgroundColor: 'grey',
-    segmentActiveColor: 'white'
+    segmentBackgroundColor: '#F7F7FA',
+    segmentActiveColor: '#FFFFFF'
   }
 }