[Bug] router is not working. GetX is 4.3.8.

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**Describe the bug**
I got a bug about routing using GetX. The attachment is a complete example. The steps to reproduce：
1. Click the button on the left sidebar, select the "Example" button.
2. Click Fetch by Country, the routing address has changed, but the page content has not been updated.

I also recorded an operation video, please help me how to solve this problem, and thank you very much.

**Reproduction code
NOTE: THIS IS MANDATORY, IF YOUR ISSUE DOES NOT CONTAIN IT, IT WILL BE CLOSED PRELIMINARY)**

example:
[gourd_finance.zip](https://github.com/jonataslaw/getx/files/7533501/gourd_finance.zip)

**To Reproduce**
Steps to reproduce the behavior:
1. Click the button on the left sidebar, select the "Example" button.
2. Click Fetch by Country, the routing address has changed, but the page content has not been updated.

**Expected behavior**
1. select fetch by country, it is display country list.
2. then select country, it display country detail.

**Screenshots**
https://user-images.githubusercontent.com/5460850/141676298-f5b56b76-0456-477c-acb8-905143a64a9e.mov

**Flutter Version:**
2.5

**Getx Version:**
4.3.8

**Describe on which device you found the bug:**
only test iphone13.

**Minimal reproduce code**
[gourd_finance.zip](https://github.com/jonataslaw/getx/files/7533511/gourd_finance.zip)