diff --git a/setup.cfg b/setup.cfg
index 262544e..eebb977 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,5 +17,5 @@ install_requires =
 console_scripts =
 	xls2ddl = xls2ddl.xls2ddl:main
 	xls2ui = xls2ddl.xls2ui:main
-	json2xlsx = xls2ddl.json2xlsx
+	json2xlsx = xls2ddl.json2xlsx:main
 
diff --git a/xls2ddl/json2xlsx.py b/xls2ddl/json2xlsx.py
index 885a90c..146ff22 100644
--- a/xls2ddl/json2xlsx.py
+++ b/xls2ddl/json2xlsx.py
@@ -83,13 +83,12 @@ def save_table_json_to_xlsx(table_json, output_dir="."):
 # ======================
 # 使用示例
 # ======================
-
-if __name__ == "__main__":
+def main():
 	import os, sys
 	import codecs
 	import json
 	if len(sys.argv) < 2:
-		print(f'{sys.argv[0] dbtable_json_file ...')
+		print(f'{sys.argv[0]} dbtable_json_file ...')
 		sys.exit(1)
 	for a in sys.argv[1:]:
 		with open(a, 'r', encoding='utf-8') as file:
@@ -99,6 +98,9 @@ if __name__ == "__main__":
 				data = [data]
 			for d in data:
 				save_table_json_to_xlsx(d)
+
+if __name__ == "__main__":
+	main()
 	"""
     # 示例 JSON 数据
     sample_json = {
diff --git a/xls2ddl/xlsxData.py b/xls2ddl/xlsxData.py
index 61bc0a5..49bc513 100755
--- a/xls2ddl/xlsxData.py
+++ b/xls2ddl/xlsxData.py
@@ -178,7 +178,7 @@ class CRUDData(XLSXData):
 		if len(d['summary']) != 1:
 			raise CRUDException(self.xlsxfile, 'Not summary or more than one summary')
 		self.convPrimary()
-		self.convForeignkey()
+		# self.convForeignkey()
 		self.convIndex()
 		self.check_codes_fields()
   
@@ -251,7 +251,7 @@ class CRUDData(XLSXData):
 		data = self.data
 		if data.get('indexes'):
 			return
-		vs = data['validation']
+		vs = data.get('validation', [])
 		nvs = []
 		for v in vs:
 			if v['oper'] == 'idx':