diff --git a/skywalking-commons/skywalking-trace/src/test/java/com/a/eye/skywalking/trace/SpanTestCase.java b/skywalking-commons/skywalking-trace/src/test/java/com/a/eye/skywalking/trace/SpanTestCase.java
index 517a4bfcb09a91c5b26e27b710d1d36a27b52a54..f2b07877ab66d9d742121bcb0b4f672e7ac28f20 100644
--- a/skywalking-commons/skywalking-trace/src/test/java/com/a/eye/skywalking/trace/SpanTestCase.java
+++ b/skywalking-commons/skywalking-trace/src/test/java/com/a/eye/skywalking/trace/SpanTestCase.java
@@ -48,7 +48,7 @@ public class SpanTestCase {
         Tags.DB_STATEMENT.set(span1, "select * from users");
 
         Map<String, Object> tags = span1.getTags();
-        Assert.assertEquals(8, tags.size());
+        Assert.assertEquals(7, tags.size());
         Assert.assertTrue(Tags.SPAN_LAYER.isHttp(span1));
         Assert.assertEquals("127.0.0.1", Tags.PEER_HOST.get(span1));
         Assert.assertTrue(Tags.ERROR.get(span1));