diff --git a/types/mockjs/index.d.ts b/types/mockjs/index.d.ts
index 9be645b791..25d6cac833 100644
--- a/types/mockjs/index.d.ts
+++ b/types/mockjs/index.d.ts
@@ -198,7 +198,7 @@ declare namespace mockjs {
     city(prefix?: B): S;
 
     // Random.county
-    country(prefix?: B): S;
+    county(prefix?: B): S;
 
     // Random.zip
     zip(prefix?: B): S;