Hi, I now how to fix this bug.
1) Decompile "secondary-framework.jar"
2) Open miui/telephony/phonenumberutils.smali
3) Search method ".method static constructor <clinit>()V"
4) Change
"const/4 v0, 0x6 "
to
"const/4 v0, 0x5"
5) delete this 3 strings in the end of method
"const/4 v1, 0x5...