diff --git a/visualization/src/main/resources/static/data.json b/visualization/src/main/resources/static/data.json
index e66ba66..30109bf 100644
--- a/visualization/src/main/resources/static/data.json
+++ b/visualization/src/main/resources/static/data.json
@@ -5,7 +5,7 @@
   },
   {
     "name": "北京",
-    "value": 55
+    "value": 54
   },
   {
     "name": "天津",