diff --git a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/TagApi.java b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/TagApi.java
index cc73b014..1fd2882c 100644
--- a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/TagApi.java
+++ b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/TagApi.java
@@ -105,7 +105,7 @@ public class TagApi extends MpApi {
 		String tag_delete_uri = getRequestUri("tag_delete_uri");
 		WeixinResponse response = weixinExecutor.post(
 				String.format(tag_delete_uri, tokenManager.getAccessToken()),
-				String.format("{\"tagid\":%d}", tagId));
+				String.format("{\"tag\":{\"id\":%d}}", tagId));
 		return response.getAsResult();
 	}