diff --git a/deploy/comm/check.py b/deploy/comm/check.py
index 071dbb4..958e830 100644
--- a/deploy/comm/check.py
+++ b/deploy/comm/check.py
@@ -349,14 +349,14 @@ def checkVersionUtil(fisco_ver_str,webase_front_ver_str):
     log.info("checkVersionUtil webase: {} and fisco version: {}".format(webase_front_ver_str, fisco_ver_str))
     fisco_version_int = int(re.findall("\d+", fisco_ver_str)[0]) * 100 + int(re.findall("\d+", fisco_ver_str)[1]) * 10 + int(re.findall("\d+", fisco_ver_str)[2]) * 1
     # webase-front version greater or equal with other webase version
-    webase_front_version_int = int(re.findall("\d+", webase_front_ver_str)[0]) * 100 + int(re.findall("\d+", webase_front_ver_str)[1]) * 10 + int(re.findall("\d+", webase_front_ver_str)[2]) * 1
-    log.info("checkVersionUtil int webase: {} and fisco version: {}".format(webase_front_version_int, fisco_version_int))
+    # webase_front_version_int = int(re.findall("\d+", webase_front_ver_str)[0]) * 100 + int(re.findall("\d+", webase_front_ver_str)[1]) * 10 + int(re.findall("\d+", webase_front_ver_str)[2]) * 1
+    # log.info("checkVersionUtil int webase: {} and fisco version: {}".format(webase_front_version_int, fisco_version_int))
     flag=False
-    # require if webase < 2.0.0, fisco < 3.0.0
-    if ( webase_front_version_int < 200 and fisco_version_int >= 300 ):
+    # require if webase = 'lab*'
+    if not webase_front_ver_str.startswith('lab'):
         flag=True
-    # require if webase >= 2.0.0, fisco >= 3.0.0
-    if ( webase_front_version_int >= 200 and fisco_version_int < 300 ):
+    # require if webase = 'lab*', fisco >= 3.0.0
+    if (webase_front_ver_str.startswith('lab') and fisco_version_int < 300 ):
         flag=True
 
     # if version conflicts, exit
diff --git a/deploy/common.properties b/deploy/common.properties
index 15bd066..8b6c340 100644
--- a/deploy/common.properties
+++ b/deploy/common.properties
@@ -1,9 +1,9 @@
 [common]
-# Webase Subsystem Version (v2.0.0 or above)
-webase.web.version=v2.0.0-rc1
-webase.mgr.version=v2.0.0-rc1
-webase.sign.version=v2.0.0-rc1
-webase.front.version=v2.0.0-rc1
+# Webase Subsystem Version (lab-rc1)
+webase.web.version=lab-rc1
+webase.mgr.version=lab-rc1
+webase.sign.version=lab-rc1
+webase.front.version=lab-rc1
 
 # Mysql database configuration of WeBASE-Node-Manager
 mysql.ip=localhost
diff --git a/release_note.txt b/release_note.txt
index 1e7ab69..f211e1c 100644
--- a/release_note.txt
+++ b/release_note.txt
@@ -1 +1 @@
-v2.0.0-rc1
+lab-rc1