keil mdk 4.6 lpc1114 cannot swd use j-link v8

Dear Sir:
keil mdk 4.6 lpc1114 cannot swd use j-link v8
but use iar arm can use j-link v8 swd lpc1114
the iar arm and keil mdk j-link driver have different?
how to solve this question?
Tks!!

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