Cannot change from smaller to bigger DiffPair rule smoothly?

I just try to switch between the rules of the differential pair. when I using a bigger spacing rule 5.5mil of gap routing, I can smoothly switch to a smaller rule 5mil of the pair, but when I try to switch from the smaller gap rule 5mil to the bigger gap one 5.5mil in the same direction, which should auto route a angle and then change to the bigger rule. it always doesn’t work as expected. and I can make it in the different direction to switch back to bigger 5.5mil, but always cannot keep routing.

someone can do some try or explianning how to fix, or it’s a tool bug?

pre-defined rule:
4mil,5mil,5mil - smaller one
5mil,5.5mil,5.5mil -bigger one

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