diff --git a/src/views/dashboard/modules/SingleMonthComparisonModal.vue b/src/views/dashboard/modules/SingleMonthComparisonModal.vue
index 14ad1bf..2581c86 100644
--- a/src/views/dashboard/modules/SingleMonthComparisonModal.vue
+++ b/src/views/dashboard/modules/SingleMonthComparisonModal.vue
@@ -326,6 +326,9 @@ export default {
         legend: {
           type: 'scroll',
           data: legend,
+          lineStyle: {
+            type: 'solid'
+          },
           right: '2%'
         },
         grid: {
diff --git a/src/views/dashboard/modules/SingleMonthTotalComparisonModal.vue b/src/views/dashboard/modules/SingleMonthTotalComparisonModal.vue
index eae7167..428b709 100644
--- a/src/views/dashboard/modules/SingleMonthTotalComparisonModal.vue
+++ b/src/views/dashboard/modules/SingleMonthTotalComparisonModal.vue
@@ -304,6 +304,9 @@ export default {
         legend: {
           type: 'scroll',
           data: legend,
+          lineStyle: {
+            type: 'solid'
+          },
           right: '2%'
         },
         grid: {