diff --git a/debug/inspect_cft_spec_file.py b/debug/debug00_inspect_cft_spec_file.py
similarity index 100%
rename from debug/inspect_cft_spec_file.py
rename to debug/debug00_inspect_cft_spec_file.py
diff --git a/debug/debug_code_rendering.py b/debug/debug01_code_rendering.py
similarity index 100%
rename from debug/debug_code_rendering.py
rename to debug/debug01_code_rendering.py
diff --git a/debug/debug02_gen_code_type_hint.py b/debug/debug02_gen_code_type_hint.py
new file mode 100644
index 0000000..7a88193
--- /dev/null
+++ b/debug/debug02_gen_code_type_hint.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+
+"""
+If you can not import a aws service module in ``cottonformation.res.*.py``
+most likely it's because of the type hint and validator code.
+
+This code helps developer
+"""
+
+from cottonformation.code.spec import CftSpec, _find_type_hint_and_validator
+
+ctf_spec = CftSpec.new()
+pt = ctf_spec.find_property_type("AWS::WAFv2::WebACL.ManagedRuleGroupStatement")
+p = pt.find_property("ScopeDownStatement")
+print(p)
+
+type_hint, validator, converter = _find_type_hint_and_validator(
+    prop=p,
+    prop_type_class_name="WebACLRateBasedStatement",
+    cycled_class_name_set=set()
+)
+
+print(f"type_hint = {type_hint}")
+print(f"validator = {validator}")
+print(f"converter = {converter}")
+
+# try import
+# import cottonformation.res._imp
+# _ = cottonformation.res._imp
diff --git a/debug/debug_gen_code.py b/debug/debug03_gen_code.py
similarity index 100%
rename from debug/debug_gen_code.py
rename to debug/debug03_gen_code.py
diff --git a/debug/debug_gen_helpers_code.py b/debug/debug04_gen_helpers_code.py
similarity index 100%
rename from debug/debug_gen_helpers_code.py
rename to debug/debug04_gen_helpers_code.py
diff --git a/debug/debug_deploy_cft.py b/debug/debug05_deploy_cft.py
similarity index 87%
rename from debug/debug_deploy_cft.py
rename to debug/debug05_deploy_cft.py
index 64b82d2..f6233cc 100644
--- a/debug/debug_deploy_cft.py
+++ b/debug/debug05_deploy_cft.py
@@ -1,8 +1,9 @@
 # -*- coding: utf-8 -*-
 
 import boto3
+from cottonformation.core.template import Template
 from cottonformation.core.model import (
-    Template, Parameter, Output,
+    Parameter, Output,
     Ref, Sub, serialize,
 )
 from cottonformation.res import (
@@ -16,17 +17,20 @@
     "ProjectName",
     Type=Parameter.TypeEnum.String,
     Default="cottonformation-dev",
-).add(tpl)
+)
+tpl.add(param_project_name)
 
 bucket = s3.Bucket(
     "MyBucket",
     p_BucketName=Sub("${ProjectName}-bucket", dict(ProjectName=param_project_name.ref())),
-).add(tpl)
+)
+tpl.add(bucket)
 
 out_bucket_domain_name = Output(
     "MyBucketDomainName",
     Value=bucket.rv_DomainName,
-).add(tpl)
+)
+tpl.add(out_bucket_domain_name)
 
 # tpl.to_json_file("tpl.json")
 
diff --git a/debug/debug_dese.py b/debug/debug_dese/debug_dese.py
similarity index 100%
rename from debug/debug_dese.py
rename to debug/debug_dese/debug_dese.py
diff --git a/debug/debug_gen_code_type_hint.py b/debug/debug_gen_code_type_hint.py
deleted file mode 100644
index f427279..0000000
--- a/debug/debug_gen_code_type_hint.py
+++ /dev/null
@@ -1,21 +0,0 @@
-# -*- coding: utf-8 -*-
-
-"""
-"""
-
-from cottonformation.code.spec import CftSpec, _find_type_hint_and_validator
-
-ctf_spec = CftSpec.new()
-pt = ctf_spec.find_property_type("AWS::WAFv2::WebACL.ManagedRuleGroupStatement")
-p = pt.find_property("ScopeDownStatement")
-print(p)
-
-print(
-    _find_type_hint_and_validator(
-        prop=p,
-        prop_type_class_name="WebACLRateBasedStatement",
-        cycled_class_name_set=set()
-    )
-)
-# import cottonformation.res._imp
-# _ = cottonformation.res._imp
diff --git a/debug/debug_ssh_to_ec2.py b/debug/debug_vpc_ec2_rds/debug01_ssh_to_ec2.py
similarity index 100%
rename from debug/debug_ssh_to_ec2.py
rename to debug/debug_vpc_ec2_rds/debug01_ssh_to_ec2.py