diff --git a/src/views/spectrumAnalysis/beta-analysis.vue b/src/views/spectrumAnalysis/beta-analysis.vue
index 3699dd7..ec8aafa 100644
--- a/src/views/spectrumAnalysis/beta-analysis.vue
+++ b/src/views/spectrumAnalysis/beta-analysis.vue
@@ -435,4 +435,29 @@ export default {
     }
   }
 }
+// 二级操作栏开始
+.spectrum-analysis-sub-operators {
+  flex-shrink: 0;
+  margin-bottom: 19px;
+  display: flex;
+  gap: 11px;
+  flex-wrap: nowrap;
+  overflow: auto;
+  height: 46px;
+  align-items: center;
+
+  .pop-over-with-icon {
+    height: 32px;
+    flex-shrink: 0;
+
+    &:nth-child(1) {
+      width: 224px;
+    }
+
+    &:nth-child(3) {
+      width: 125px;
+    }
+  }
+}
+// 二级操作栏结束
 </style>
\ No newline at end of file