diff --git a/CMakeLists.txt b/CMakeLists.txt
index f1be916b3b966ac2954686a364d94a8939c6a503..fd542966cc73a450e48844ae7aa4c68225974f04 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,7 +27,7 @@ if(${BUILD_TEST})
 endif(${BUILD_TEST})
 add_subdirectory(source)
 add_subdirectory(tools)
-#add_subdirectory(tests)
+add_subdirectory(tests)
 add_subdirectory(example)
 
 # docs 
diff --git a/source/dnode/vnode/inc/tq.h b/source/dnode/vnode/inc/tq.h
index df755574bf1bbce20791bb9de0f5a7b7bb07892d..9d396e0771237e0190027131db8e1cb26d8ba63f 100644
--- a/source/dnode/vnode/inc/tq.h
+++ b/source/dnode/vnode/inc/tq.h
@@ -37,7 +37,7 @@ extern "C" {
 
 typedef struct STQ STQ;
 
-// memory allocator supported by vnode
+// memory allocator provided by vnode
 typedef struct STqMemRef {
   SMemAllocatorFactory* pAllocatorFactory;
   SMemAllocator*        pAllocator;
@@ -51,7 +51,7 @@ void tqCleanUp();
 STQ* tqOpen(const char* path, SWal* pWal, SMeta* pMeta, STqCfg* tqConfig, SMemAllocatorFactory* allocFac);
 void tqClose(STQ*);
 
-// void* will be replace by a msg type
+// required by vnode
 int tqPushMsg(STQ*, void* msg, int64_t version);
 int tqCommit(STQ*);