diff --git a/front/app/labeling_tool/pcd_label_tool.jsx b/front/app/labeling_tool/pcd_label_tool.jsx
index 22613531..fd258990 100644
--- a/front/app/labeling_tool/pcd_label_tool.jsx
+++ b/front/app/labeling_tool/pcd_label_tool.jsx
@@ -193,15 +193,10 @@ export default class PCDLabelTool extends React.Component {
   }
   // button actions
   setHeight = () => {
-    let bboxes;
-    const tgt = this._controls.getTargetLabel();
-    if (tgt !== null) {
-      bboxes = [tgt.bbox[this.candidateId]];
-    } else {
-      bboxes = Array.from(this.pcdBBoxes);
-    }
+    const bboxes = Array.from(this.pcdBBoxes);
     const posArray = this._currentPointMesh.geometry.getAttribute('position').array;
     let changedLabel = null;
+    let existIncludePoint = false;
     for (let i=0; i<bboxes.length; ++i) {
       const bbox = bboxes[i];
       let maxZ = -Infinity, minZ = Infinity;
@@ -216,12 +211,13 @@ export default class PCDLabelTool extends React.Component {
         const x = Math.abs( dx*Math.cos(yaw) + dy*Math.sin(yaw)),
               y = Math.abs(-dx*Math.sin(yaw) + dy*Math.cos(yaw));
         if (2*x < boxsx && 2*y < boxsy) {
+          existIncludePoint = true;
           const z = posArray[j+2];
           maxZ = Math.max(maxZ, z);
           minZ = Math.min(minZ, z);
         }
       }
-      if (maxZ <= minZ) {
+      if (!existIncludePoint) {
         continue;
       }