Added para datasource to database, modified calling method of database

cs.py

@@ -29,8 +29,6 @@ def main():
         outParam = paramData["outParam"]
     
         from pyat.cscore import np, dis_mats, pn_funcs, ag_funcs
-        import sys
-        print(sys.path)
         
         
         # 输出：
@@ -85,4 +83,4 @@ def main():
         #     jsonFile.write(json_data)
     
 if __name__ == '__main__':
-    main()
+    main()