diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/type/IdQuery.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/type/IdQuery.java
index efe6c14a..4af8efe1 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/type/IdQuery.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/type/IdQuery.java
@@ -25,27 +25,19 @@ public class IdQuery implements Serializable {
 	 */
 	private IdType type;
 
+	public IdQuery(String id, IdType idType) {
+		this.id = id;
+		this.type = idType;
+	}
+
 	public String getId() {
 		return id;
 	}
 
-	public void setId(String id) {
-		this.id = id;
-	}
-
 	public IdType getType() {
 		return type;
 	}
 
-	public void setType(IdType type) {
-		this.type = type;
-	}
-
-	public IdQuery(String id, IdType idType) {
-		this.id = id;
-		this.type = idType;
-	}
-
 	@Override
 	public String toString() {
 		return String.format("%s=%s", type.getName(), id);