diff --git a/lang/zh_cn.json b/lang/zh_cn.json
index 8ae07f35..8dddd0da 100644
--- a/lang/zh_cn.json
+++ b/lang/zh_cn.json
@@ -403,7 +403,7 @@
 "radiation": "辐射", 
 "rad_steam": "辐射蒸汽", 
 "rad_cloud": "拉德云", 
-"fallout": "掉出来", 
+"fallout": "放射性尘埃", 
 "neutron": "中子", 
 "proton": "质子", 
 "electric": "电",