diff --git a/package.json b/package.json
index c5bfb144e..802d66153 100644
--- a/package.json
+++ b/package.json
@@ -152,7 +152,7 @@
 		"jsdom": "15.1.1",
 		"json5": "2.1.0",
 		"json5-loader": "3.0.0",
-    "jsrsasign": "8.0.12",
+		"jsrsasign": "8.0.12",
 		"katex": "0.10.2",
 		"koa": "2.7.0",
 		"koa-bodyparser": "4.2.1",