diff --git a/src/components/floor-plan/modal/setting01/planSize/PlanSizeSetting.jsx b/src/components/floor-plan/modal/setting01/planSize/PlanSizeSetting.jsx
index 10f9adc1..629b45d0 100644
--- a/src/components/floor-plan/modal/setting01/planSize/PlanSizeSetting.jsx
+++ b/src/components/floor-plan/modal/setting01/planSize/PlanSizeSetting.jsx
@@ -46,6 +46,10 @@ export default function PlanSizeSetting(props) {
   const changeInput = (value, e) => {
     const { name } = e.target
 
+    if (Number(value) > 100000) {
+      value = 100000
+    }
+
     setPlanSizeSettingMode((prev) => {
       return {
         ...prev,