diff --git a/src/components/Dashboard.vue b/src/components/Dashboard.vue
index 6e124e8..69cebdb 100644
--- a/src/components/Dashboard.vue
+++ b/src/components/Dashboard.vue
@@ -439,7 +439,7 @@ const fetchTeacherbData = async (type) => {
         updateResearcherChart();
       } else if (type === 2) {
         studyData.value = {
-          datax: keyFields.map(item => ({ name: item.fieldName})),
+          datax: keyFields.map(item => ({ name: item.fieldName,max: Math.max(...datay)})),
           datay
         };
         updateStudyChart();