diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/PetCtViewport.vue b/src/views/trials/trials-panel/reading/dicoms3D/components/PetCtViewport.vue
index 1f77aabc..527d9103 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/PetCtViewport.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/PetCtViewport.vue
@@ -302,36 +302,46 @@ export default {
         y: Math.min(Math.max(e.clientY - rect.top, padding), maxY),
       }
     },
+    getInstanceInfo(imageId) {
+      const params = {}
+      if (imageId) {
+        const searchParams = new URLSearchParams(imageId.split('?')[1])
+        for (const [key, value] of searchParams.entries()) {
+          params[key] = value
+        }
+        if (isNaN(params.frame)) {
+          params.frame = null
+        }
+      }
+      return params
+    },
     getCircleAnnotationFromContextMenuEvent(e) {
       const viewport = this.getViewportInstance()
       if (!viewport || !this.element) return null
 
       const rect = this.element.getBoundingClientRect()
       const canvasPoint = [e.clientX - rect.left, e.clientY - rect.top]
-      const currentVisitTaskId = this.series?.TaskInfo?.VisitTaskId
-      const toolNames = ['CircleROI'] //FixedRadiusCircleROI看后期是不是要补充
-      const candidates = []
-
-      toolNames.forEach((toolName) => {
+      const currentImageId = viewport.getCurrentImageId?.()
+      const currentInstanceId = this.getInstanceInfo(currentImageId).instanceId
+      const toolNames = ['CircleROI', 'FixedRadiusCircleROI']
+      for (const toolName of toolNames) {
         const annotations = cornerstoneTools.annotation.state.getAnnotations(toolName, this.element) || []
-        annotations.forEach((annotation) => {
-          if (!annotation?.data?.handles?.points?.length) return
-          if (currentVisitTaskId && annotation.visitTaskId && annotation.visitTaskId !== currentVisitTaskId) return
+        const selectedAnnotation = annotations.find((annotation) => {
+          if (!annotation?.highlighted) return false
+          if (!annotation?.data?.handles?.points?.length) return false
+          const annotationInstanceId = annotation.instanceId || this.getInstanceInfo(annotation.metadata?.referencedImageId).instanceId
+          if (currentInstanceId && annotationInstanceId && annotationInstanceId !== currentInstanceId) return false
 
           const hitInfo = this.getCircleAnnotationHitInfo(annotation, canvasPoint, viewport)
-          if (!hitInfo.hit || hitInfo.score === null) return
-
-          candidates.push({
-            annotation,
-            score: hitInfo.score,
-          })
+          return hitInfo.hit
         })
-      })
 
-      if (!candidates.length) return null
+        if (selectedAnnotation) {
+          return selectedAnnotation
+        }
+      }
 
-      candidates.sort((a, b) => a.score - b.score)
-      return candidates[0].annotation
+      return null
     },
     getCircleAnnotationHitInfo(annotation, canvasPoint, viewport) {
       const points = annotation?.data?.handles?.points || []