diff --git a/src/components/floor-plan/modal/basic/step/Trestle.jsx b/src/components/floor-plan/modal/basic/step/Trestle.jsx
index 070ce979..1ce09bf1 100644
--- a/src/components/floor-plan/modal/basic/step/Trestle.jsx
+++ b/src/components/floor-plan/modal/basic/step/Trestle.jsx
@@ -174,6 +174,19 @@ const Trestle = forwardRef((props, ref) => {
     })
   }
 
+  const onChangeHajebichi = (e) => {
+    setHajebichi(e)
+    dispatch({
+      type: 'SET_HAJEBICHI',
+      roof: {
+        moduleTpCd: selectedModules.itemTp ?? '',
+        roofMatlCd: selectedRoof?.roofMatlCd ?? '',
+        raft: selectedRaftBase?.clCode,
+        hajebichi: e,
+      },
+    })
+  }
+
   const onChangeTrestleMaker = (e) => {
     setSelectedTrestle(e)
     dispatch({
@@ -578,7 +591,7 @@ const Trestle = forwardRef((props, ref) => {
                             type="text"
                             className="input-origin block"
                             disabled={selectedRoof.roofPchAuth === 'R'}
-                            onChange={(e) => setHajebichi(e.target.value)}
+                            onChange={(e) => onChangeHajebichi(e.target.value)}
                             value={hajebichi}
                           />
                         </div>
diff --git a/src/hooks/module/useModuleTrestle.js b/src/hooks/module/useModuleTrestle.js
index a39c8c1d..fc588d09 100644
--- a/src/hooks/module/useModuleTrestle.js
+++ b/src/hooks/module/useModuleTrestle.js
@@ -12,6 +12,7 @@ const trestleReducer = (state, action) => {
   switch (action.type) {
     case 'SET_LENGTH':
     case 'SET_RAFT_BASE':
+    case 'SET_HAJEBICHI':
     case 'SET_TRESTLE_MAKER':
     case 'SET_CONST_MTHD':
     case 'SET_ROOF_BASE':