diff --git a/src/interface.jl b/src/interface.jl
index a2f24f6..501e6f5 100644
--- a/src/interface.jl
+++ b/src/interface.jl
@@ -1277,7 +1277,7 @@ function query(query::T, executeSQL::Function, text2textInstructLLM::Function;
     LLMMCTS.runMCTS(initialstate, transition, transitionargs;
                   horizontalSampleExpansionPhase=1, 
                   horizontalSampleSimulationPhase=1,
-                  maxSimulationDepth=3,
+                  maxSimulationDepth=1,
                   maxiterations=1, 
                   explorationweight=1.0,
                   earlystop=earlystop,