The IP duration is not long enough, the IP jumps randomly, and the IP has no network?

Left "toolbox"->Online detection IP->Test IP duration. Note: Before testing the IP, please switch the IP of the corresponding sub-account and select the correct server address [Example: The access point of the proxy page is defaulted to the Chinese server, and the Chinese server needs to be selected when testing], and then enter the sub-account, Then click Detect. 【More than 99% of IPs will be maintained for about 10 minutes and will not change].