diff --git a/hutool-core/src/main/java/cn/hutool/core/lang/Dict.java b/hutool-core/src/main/java/cn/hutool/core/lang/Dict.java
index 058aeba4c..7118772e2 100755
--- a/hutool-core/src/main/java/cn/hutool/core/lang/Dict.java
+++ b/hutool-core/src/main/java/cn/hutool/core/lang/Dict.java
@@ -616,4 +616,10 @@ public class Dict extends LinkedHashMap<String, Object> implements BasicTypeGett
 		Arrays.stream(fields).forEach(f -> set(LambdaUtil.getFieldName(f), f.callWithRuntimeException()));
 		return this;
 	}
+
+	@Override
+	public boolean containsKey(Object key) {
+		return super.containsKey(customKey((String) key));
+	}
+
 }