Client putty, Xshell connection to vim in Linux keypad problem

When using VI on the putty, when opening numlock, press the numeric key on the keypad and not enter a number, but a letter and then newline (in fact, the command mode corresponds to the upper and lower keys). Workaround

Option Terminal->features, find disable application keypad mode, select on it.

The Xshell in Xmanager 4 also has a small keyboard problem resolution of

Modify session Properties--terminal->VT mode--Initial numeric keypad mode

Select Set as normal.

Client putty, Xshell connection to vim in Linux keypad problem