diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue b/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
index 1a98ef19..71dc8bea 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
@@ -1577,7 +1577,7 @@ export default {
         },
         segmentationModifiedCallback(evt) {
             const { detail } = evt;
-            let tools = [...this.ThresholdTools, ...this.tools]
+            let tools = [...this.ThresholdTools, ...this.tools, 'SphericalBrush']
             if (!detail || detail.segmentIndex === 255 || !this.activeTool || !tools.includes(this.activeTool)) {
                 return;
             }
@@ -1642,12 +1642,12 @@ export default {
         contentMouseup() {
             try {
                 // console.log("segment contentMouseup")
-                if (!this.drawing) return false
                 if (this.timeoutId) {
                     clearTimeout(this.timeoutId);
                     this.timeoutId = null;
                 }
                 this.timeoutId = setTimeout(() => {
+                    if (!this.drawing) return false
                     this.timeoutId = null;
                     this.drawing = false;
                     let segmentGroup = this.segmentList.find(item => item.segmentationId === this.segmentationId)