diff --git a/src/main/resources/templates/admin/space_statistics.ftl b/src/main/resources/templates/admin/space_statistics.ftl
index c302e29..f33e2ec 100644
--- a/src/main/resources/templates/admin/space_statistics.ftl
+++ b/src/main/resources/templates/admin/space_statistics.ftl
@@ -67,7 +67,7 @@
             {
                 name: '把握度',
                 type: 'pie',
-                radius: ['20%', '50%'],
+                radius: ['30%', '50%'],
                 avoidLabelOverlap: true,
                 data: [],
                 label: {