![Avatar](https://secure.gravatar.com/avatar/bc61f0b04a404579830ee91c72458904.jpg?s=64&d=identicon&r=g)
I implement the symbol navigation function by inheriting the INavigableSymbolProvider interface. When the cursor position changes, the content of the navigation bar will change, but I found that this change is not instantaneous, and it takes about 1 second to respond. Shouldn't this response be very fast?