diff --git a/source/libs/index/test/utilUT.cc b/source/libs/index/test/utilUT.cc
index d699f0c53ae2e36f9b1ac37bdf1f8cc41cd03807..7c5ec192124ef872a809682c6db62abcc5be67ff 100644
--- a/source/libs/index/test/utilUT.cc
+++ b/source/libs/index/test/utilUT.cc
@@ -222,7 +222,6 @@ TEST_F(UtilEnv, 04union) {
   for (int i = 0; i < sizeof(arr3) / sizeof(arr3[0]); i++) {
     taosArrayPush(f, &arr3[i]);
   }
-
   iUnion(src, rslt);
   assert(taosArrayGetSize(rslt) == 12);
 }