diff --git a/fi/section.go b/fi/section.go
new file mode 100644
index 0000000..ac5f9a1
--- /dev/null
+++ b/fi/section.go
@@ -0,0 +1,55 @@
+package fi
+
+import (
+	"joylink.club/ecs"
+	"joylink.club/rtsssimulation/component"
+	"joylink.club/rtsssimulation/entity"
+)
+
+// DriveAxleSectionTrainIn 测试：计轴区段中车轴进入
+func DriveAxleSectionTrainIn(w ecs.World, axleSectionId string) {
+	w.Execute(func() {
+		wd := entity.GetWorldData(w)
+		sectionEntry, ok := wd.EntityMap[axleSectionId]
+		if ok {
+			rt := component.AxleSectionRuntimeType.Get(sectionEntry)
+			rt.Count = 1
+		}
+	})
+}
+
+// DriveAxleSectionTrainOut 测试：计轴区段中车轴离开
+func DriveAxleSectionTrainOut(w ecs.World, axleSectionId string) {
+	w.Execute(func() {
+		wd := entity.GetWorldData(w)
+		sectionEntry, ok := wd.EntityMap[axleSectionId]
+		if ok {
+			rt := component.AxleSectionRuntimeType.Get(sectionEntry)
+			rt.Count = 0
+		}
+	})
+}
+
+// DriveAxleSectionDrst 测试：设置计轴区段直接复位
+func DriveAxleSectionDrst(w ecs.World, axleSectionId string, drst bool) {
+	w.Execute(func() {
+		wd := entity.GetWorldData(w)
+		sectionEntry, ok := wd.EntityMap[axleSectionId]
+		if ok {
+			device := component.AxleSectionDeviceType.Get(sectionEntry)
+			device.Drst = drst
+		}
+	})
+}
+
+// DriveAxleSectionPdrst 测试：设置计轴区段预复位
+func DriveAxleSectionPdrst(w ecs.World, axleSectionId string, pdrst bool) {
+	w.Execute(func() {
+		wd := entity.GetWorldData(w)
+		sectionEntry, ok := wd.EntityMap[axleSectionId]
+		if ok {
+			device := component.AxleSectionDeviceType.Get(sectionEntry)
+			device.Pdrst = pdrst
+		}
+	})
+}