optimize: optimize nacos-config.py parameter (#3631)

changes/1.5.0.md

@@ -86,6 +86,7 @@ Seata 是一款开源的分布式事务解决方案，提供高性能和简单
   - [[#3551](https://github.com/seata/seata/pull/3551)] 调大RETRY_DEAD_THRESHOLD的值以及设置成可配置
   - [[#3589](https://github.com/seata/seata/pull/3589)] 使用JUnit API做异常检查
   - [[#3601](https://github.com/seata/seata/pull/3601)] 使`LoadBalanceProperties`与`spring-boot:2.x`及以上版本兼容
+  - [[#3631](https://github.com/seata/seata/pull/3631)] 优化 运行 nacos-config.py 参数问题
 
 
   ### test

changes/en-us/1.5.0.md

@@ -87,6 +87,7 @@
   - [[#3551](https://github.com/seata/seata/pull/3551)] make RETRY_DEAD_THRESHOLD bigger and configurable
   - [[#3589](https://github.com/seata/seata/pull/3589)] Changed exception check by JUnit API usage
   - [[#3601](https://github.com/seata/seata/pull/3601)] make `LoadBalanceProperties` compatible with `spring-boot:2.x` and above
+  - [[#3631](https://github.com/seata/seata/pull/3631)] optimize  nacos-config.py  parameter
 
   ### test	
 

script/config-center/nacos/nacos-config.py

@@ -5,7 +5,7 @@ import http.client
 import sys
 import urllib.parse
 
-if len(sys.argv) <= 2:
+if len(sys.argv) < 2:
     print ('python nacos-config.py nacosAddr')
     exit()