diff --git a/src/views/trials/trials-panel/reading/dicoms/components/DicomCanvas.vue b/src/views/trials/trials-panel/reading/dicoms/components/DicomCanvas.vue
index 549ee4b..20615d7 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/DicomCanvas.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/DicomCanvas.vue
@@ -504,6 +504,11 @@ export default {
       cornerstone.resize(this.canvas)
     },
     mouseMove(e) {
+      if (this.IsCriticalSequence) {
+        e.stopImmediatePropagation()
+        e.stopPropagation()
+        e.preventDefault()
+      }
       const { element, image, currentPoints } = e.detail
       const x = Math.round(currentPoints.image.x)
       const y = Math.round(currentPoints.image.y)
@@ -562,6 +567,18 @@ export default {
             type: 'warning'
           }).then(() => {
 
+          }).catch(() => { })
+          e.stopImmediatePropagation()
+          e.stopPropagation()
+          e.preventDefault()
+        }
+        if (this.IsCriticalSequence) {
+          // '关键帧上不允许画标注。'
+          this.$confirm(this.$t('trials:reading:warnning:msg99'), '', {
+            showCancelButton: false,
+            type: 'warning'
+          }).then(() => {
+
           }).catch(() => { })
           e.stopImmediatePropagation()
           e.stopPropagation()
@@ -1341,6 +1358,7 @@ export default {
       this.setMarkers()
     },
     onMeasurementcompleted(e) {
+      console.log(this.IsCriticalSequence, 'this.IsCriticalSequence')
       if (this.readingTaskState >= 2 || this.IsCriticalSequence) return
 
       var element = cornerstone.getEnabledElement(this.canvas)