diff --git a/misc/acrn-config/launch_config/launch_cfg_gen.py b/misc/acrn-config/launch_config/launch_cfg_gen.py
index bfbf86216..385e4f037 100644
--- a/misc/acrn-config/launch_config/launch_cfg_gen.py
+++ b/misc/acrn-config/launch_config/launch_cfg_gen.py
@@ -21,6 +21,7 @@ def get_launch_item_values(board_info):
     Get items which capable multi select for user
     :param board_info: it is a file what contains board information for script to read from
     """
+    common.BOARD_INFO_FILE = board_info
     launch_item_values = {}
 
     # passthrough devices
diff --git a/misc/acrn-config/library/launch_cfg_lib.py b/misc/acrn-config/library/launch_cfg_lib.py
index a6de316f4..abbde4ece 100644
--- a/misc/acrn-config/library/launch_cfg_lib.py
+++ b/misc/acrn-config/library/launch_cfg_lib.py
@@ -203,20 +203,23 @@ def is_config_file_match():
     return (err_dic, match)
 
 
+def get_vm_uuid_idx(vm_type, uosid):
+
+    i_cnt = 0
+    for vm_i,vm_t in common.VM_TYPES.items():
+        if vm_t == vm_type and vm_i <= uosid:
+            i_cnt += 1
+    if i_cnt > 0:
+        i_cnt -= 1
+
+    return i_cnt
+
+
 def get_scenario_uuid(uosid):
     # {id_num:uuid} (id_num:0~max)
     scenario_uuid = ''
-    if common.VM_TYPES[uosid] == "KATA_VM" or common.VM_TYPES[uosid] == "POST_RT_VM":
-        return scenario_cfg_lib.VM_DB[common.VM_TYPES[uosid]]['uuid']
-
-    i_cnt = 0
-    for vm_i,vm_type in common.VM_TYPES.items():
-        if vm_type == "POST_STD_VM" and vm_i <= uosid:
-            i_cnt += 1
-    if i_cnt > 0:
-        i_cnt = 0
-
-    scenario_uuid = scenario_cfg_lib.VM_DB["POST_STD_VM"]['uuid'][i_cnt]
+    i_cnt = get_vm_uuid_idx(common.VM_TYPES[uosid], uosid)
+    scenario_uuid = scenario_cfg_lib.VM_DB[common.VM_TYPES[uosid]]['uuid'][i_cnt]
     return scenario_uuid
 
 
diff --git a/misc/acrn-config/library/scenario_cfg_lib.py b/misc/acrn-config/library/scenario_cfg_lib.py
index 913196d8a..13262a61f 100644
--- a/misc/acrn-config/library/scenario_cfg_lib.py
+++ b/misc/acrn-config/library/scenario_cfg_lib.py
@@ -38,13 +38,13 @@ PT_SUB_PCI['ethernet'] = ['Ethernet controller', 'Network controller', '802.1a c
 PT_SUB_PCI['sata'] = ['SATA controller']
 PT_SUB_PCI['nvme'] = ['Non-Volatile memory controller']
 UUID_DB = {
-    'SOS_VM':'dbbbd434-7a57-4216-a12c-2201f1ab0240',
-    'SAFETY_VM':'fc836901-8685-4bc0-8b71-6e31dc36fa47',
+    'SOS_VM':['dbbbd434-7a57-4216-a12c-2201f1ab0240'],
+    'SAFETY_VM':['fc836901-8685-4bc0-8b71-6e31dc36fa47'],
     'PRE_STD_VM':['26c5e0d8-8f8a-47d8-8109-f201ebd61a5e', 'dd87ce08-66f9-473d-bc58-7605837f935e'],
     'POST_STD_VM':['d2795438-25d6-11e8-864e-cb7a18b34643', '615db82a-e189-4b4f-8dbb-d321343e4ab3',
         '38158821-5208-4005-b72a-8a609e4190d0', 'a6750180-f87a-48d2-91d9-4e7f62b6519e', 'd1816e4a-a9bb-4cb4-a066-3f1a8a5ce73f'],
-    'POST_RT_VM':'495ae2e5-2603-4d64-af76-d4bc5a8ec0e5',
-    'KATA_VM':'a7ada506-1ab0-4b6b-a0da-e513ca9b8c2f',
+    'POST_RT_VM':['495ae2e5-2603-4d64-af76-d4bc5a8ec0e5'],
+    'KATA_VM':['a7ada506-1ab0-4b6b-a0da-e513ca9b8c2f'],
 }
 
 VM_DB = {
@@ -156,19 +156,29 @@ def load_vm_check(load_vms, item):
         if "POST_RT_VM" == load_str:
             rt_vm_ids.append(order_i)
 
-    if len(kata_vm_ids) >=2:
+    if len(kata_vm_ids) > len(UUID_DB["KATA_VM"]):
         key = "vm:id={},{}".format(kata_vm_ids[0], item)
-        ERR_LIST[key] = "KATA VM number should not be greater than 1"
+        ERR_LIST[key] = "KATA VM number should not be greater than {}".format(len(UUID_DB["KATA_VM"]))
         return
 
-    if len(rt_vm_ids) >= 2:
+    if len(rt_vm_ids) > len(UUID_DB["POST_RT_VM"]):
         key = "vm:id={},{}".format(rt_vm_ids[0], item)
-        ERR_LIST[key] = "POST RT VM number should not be greater than 1"
+        ERR_LIST[key] = "POST RT VM number should not be greater than {}".format(len(UUID_DB["POST_RT_VM"]))
         return
 
-    if len(sos_vm_ids) >= 2:
+    if len(sos_vm_ids) > 1:
         key = "vm:id={},{}".format(sos_vm_ids[0], item)
-        ERR_LIST[key] = "SOS vm number should not be greater than 1"
+        ERR_LIST[key] = "SOS VM number should not be greater than 1"
+        return
+
+    if len(post_vm_ids) > len(UUID_DB["POST_STD_VM"]):
+        key = "vm:id={},{}".format(post_vm_ids[0], item)
+        ERR_LIST[key] = "POST Standard vm number should not be greater than {}".format(len(UUID_DB["POST_STD_VM"]))
+        return
+
+    if len(pre_vm_ids) > len(UUID_DB["PRE_STD_VM"]):
+        key = "vm:id={},{}".format(pre_vm_ids[0], item)
+        ERR_LIST[key] = "PRE Standard vm number should not be greater than {}".format(len(UUID_DB["PRE_STD_VM"]))
         return
 
     if post_vm_ids and sos_vm_ids: