diff --git a/src/views/spectrumAnalysis/gamma-analysis.vue b/src/views/spectrumAnalysis/gamma-analysis.vue
index 7eb2486..d15a6cf 100644
--- a/src/views/spectrumAnalysis/gamma-analysis.vue
+++ b/src/views/spectrumAnalysis/gamma-analysis.vue
@@ -1726,6 +1726,7 @@ export default {
     height: 100%;
     position: relative;
     overflow: hidden;
+    outline: none;
   }
 
   &-thumbnail {