diff --git a/package.json b/package.json
index 046ab291..323b8a53 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "axios": "^0.27.2",
     "color": "^4.2.3",
     "crypto-js": "^4.1.1",
+    "dayjs": "^1.11.7",
     "dom-helpers": "^5.2.1",
     "echarts-liquidfill": "^3.1.0",
     "echarts-stat": "^1.2.0",