docs: add 湖南常德电信 FCC IP

Author: stackia

docs/cn-fcc-collection.md

@@ -20,7 +20,7 @@
 | 浙江 | 115.233.40.137:8027（杭州）<br>115.233.41.137:8027（杭州）<br>220.186.210.205:8027（温州）<br>115.233.43.70:8027（金华）<br>220.191.136.24:8027（台州）<br>115.233.42.69:8027（绍兴）                                  |                                                                                    |                             |
 | 上海 | 124.75.26.151:15970<br>124.75.25.211:7777<br>124.75.25.214:7777<br>124.75.25.212:7777<br>124.75.25.215:7777<br>124.75.25.216:7777                                                                                      | 10.223.3.189:8027                                                                  |                             |
 | 天津 | 10.255.4.140:8027                                                                                                                                                                                                      |                                                                                    | 10.206.255.108:8027         |
-| 湖南 | 10.255.168.4:15970<br>124.232.149.47:15970<br>61.150.161.42:8027                                                                                                                                                       |                                                                                    | 100.127.255.233:15970       |
+| 湖南 | 10.255.168.4:15970<br>124.232.149.47:15970<br>61.150.161.42:8027<br>222.241.55.41:8027（常德）                                                                                                                         |                                                                                    | 100.127.255.233:15970       |
 | 湖北 | 121.60.255.120:15970                                                                                                                                                                                                   |                                                                                    |                             |
 | 河南 |                                                                                                                                                                                                                        | 10.254.199.130:8027（郑州）<br>10.254.185.70:15970                                 |                             |
 | 河北 | 192.168.30.150:8027                                                                                                                                                                                                    | 10.7.50.172:8027（唐山）<br>10.7.35.172:8027（秦皇岛）                             |                             |