When I ran the model, there was always something wrong as the Matlab shew. I could not get the steady state.

Here is the code

un.mod (5.0 KB)

How Shall I solve them? Thank you!

When I ran the model, there was always something wrong as the Matlab shew. I could not get the steady state.

Here is the code

un.mod (5.0 KB)

How Shall I solve them? Thank you!

Only do the exp()-substitution once the model works. You may want to go for auxiliary variables, see option 3 in

Question about understanding irfs in dynare