diff --git a/src/main/java/club/joylink/rtss/simulation/rt/CIL/CilSignalLogicService.java b/src/main/java/club/joylink/rtss/simulation/rt/CIL/CilSignalLogicService.java
index 22877c85e..0c957e553 100644
--- a/src/main/java/club/joylink/rtss/simulation/rt/CIL/CilSignalLogicService.java
+++ b/src/main/java/club/joylink/rtss/simulation/rt/CIL/CilSignalLogicService.java
@@ -5,6 +5,7 @@ import club.joylink.rtss.simulation.rt.CIL.bo.CilRepository;
 import club.joylink.rtss.simulation.rt.CIL.bo.CilSignal;
 import club.joylink.rtss.simulation.rt.RtSimulation;
 import club.joylink.rtss.simulation.rt.SRD.SrdApiService;
+import club.joylink.rtss.simulation.rt.SRD.bo.SrSignal;
 import club.joylink.rtss.simulation.rt.repo.*;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;