default gate is not readable just after selecting a sequence flow which has Japanese name.

In XOR gateway, default gate can be set in the property.
If its sequence flow name is Japanese. these are shown in Japanese correctly and can be selected. But just after selecting it, it can not be read in property editor as default gate name is shown as character codes instead of Japanese characters. Please take a look at attachment of screen shot.
It is shown in Japanese correctly after reopening the business process.