diff --git a/docs/zh/base/querywrapper.md b/docs/zh/base/querywrapper.md
index 3200d977..2a596389 100644
--- a/docs/zh/base/querywrapper.md
+++ b/docs/zh/base/querywrapper.md
@@ -196,7 +196,7 @@ QueryWrapper queryWrapper=QueryWrapper.create()
     .from(ACCOUNT)
     .where(ACCOUNT.ID.ge(100))
     .and(
-        exist(  // or notExist(...)
+        exists(  // or notExists(...)
             selectOne().from(ARTICLE).where(ARTICLE.ID.ge(100))
         )
     );
diff --git a/readme.md b/readme.md
index 9c7ebe65..754291c8 100644
--- a/readme.md
+++ b/readme.md
@@ -184,7 +184,7 @@ QueryWrapper queryWrapper=QueryWrapper.create()
     .from(ACCOUNT)
     .where(ACCOUNT.ID.ge(100))
     .and(
-        exist(
+        exists(
             selectOne().from(ARTICLE).where(ARTICLE.ID.ge(100))
         )
     );
diff --git a/readme_zh.md b/readme_zh.md
index 8e9d7dc8..2b190f5e 100644
--- a/readme_zh.md
+++ b/readme_zh.md
@@ -246,7 +246,7 @@ QueryWrapper queryWrapper=QueryWrapper.create()
     .from(ACCOUNT)
     .where(ACCOUNT.ID.ge(100))
     .and(
-        exist(  // or notExist(...)
+        exists(  // or notExists(...)
             selectOne().from(ARTICLE).where(ARTICLE.ID.ge(100))
         )
     );