diff --git a/tests/get_catalog.py b/tests/get_catalog.py
index e1449ed78dcbc24bb66f0339862f9c50e6a5d749..2a8a290c1966b278c1c84d52e15407428578fc1d 100644
--- a/tests/get_catalog.py
+++ b/tests/get_catalog.py
@@ -17,8 +17,11 @@ import sys
 import getopt
 import os
 from fabric2 import Connection
+
 sys.path.append("pytest")
 import importlib
+import re
+
 
 class CatalogGen:
     def __init__(self, CaseDirList, CatalogName, DirDepth):
@@ -31,7 +34,7 @@ class CatalogGen:
         for i in self.CaseDirList:
             self.GetCatalog(i)
             self.CollectLog(i)
-        print('Catalog Generation done')
+        print("Catalog Generation done")
 
     def CollectLog(self, CaseDir):
         DirorFiles = os.listdir(CaseDir)
@@ -43,12 +46,14 @@ class CatalogGen:
                 else:
                     if i == self.CatalogName and fileName not in self.blacklist:
                         self.blacklist.append(fileName)
-                        with open(fileName, "r") as f :
+                        with open(fileName, "r") as f:
                             Catalog = f.read()
                         title = CaseDir.split("/")[-1]
                         TitleLevel = CaseDir.count("/")
-                        with open(os.path.dirname(CaseDir) + '/' + self.CatalogName, "a") as f :
-                            f.write("#" * TitleLevel + ' %s\n' % title)
+                        with open(
+                            os.path.dirname(CaseDir) + "/" + self.CatalogName, "a"
+                        ) as f:
+                            f.write("#" * TitleLevel + " %s\n" % title)
                             f.write(Catalog)
 
     def GetCatalog(self, CaseDir):
@@ -58,16 +63,20 @@ class CatalogGen:
                     fileName = os.path.join(root, file)
                     moduleName = fileName.replace(".py", "").replace("/", ".")
                     uModule = importlib.import_module(moduleName)
-                    title = file.split('.')[0]
-                    TitleLevel = root.count('/') + 1
+                    title = file.split(".")[0]
+                    TitleLevel = root.count("/") + 1
                     try:
                         ucase = uModule.TDTestCase()
-                        with open(root + '/' + self.CatalogName, 'a') as f:
-                            f.write('#'*TitleLevel + ' %s\n' % title)
-                            for i in ucase.caseDescription.__doc__.split('\n'):
-                                if i.lstrip() == '':continue
-                                f.write('* ' + i.strip()+'\n')                       
-                    except :
+                        with open(root + "/" + self.CatalogName, "a") as f:
+                            f.write("#" * TitleLevel + " %s\n" % title)
+                            for i in ucase.caseDescription.__doc__.split("\n"):
+                                if i.lstrip() == "":
+                                    continue
+                                if re.match("^case.*:", i.strip()):
+                                    f.write("* " + i.strip() + "\n")
+                                else:
+                                    f.write(i.strip() + "\n")
+                    except:
                         print(fileName)
 
     def CleanCatalog(self):
@@ -75,57 +84,61 @@ class CatalogGen:
             for root, dirs, files in os.walk(i):
                 for file in files:
                     if file == self.CatalogName:
-                        os.remove(root + '/' + self.CatalogName)
-        print('clean is done')
+                        os.remove(root + "/" + self.CatalogName)
+        print("clean is done")
+
 
 if __name__ == "__main__":
     CaseDirList = []
-    CatalogName = ''
+    CatalogName = ""
     DirDepth = 0
     generate = True
     delete = True
-    opts, args = getopt.gnu_getopt(sys.argv[1:], 'd:c:v:n:th')
+    opts, args = getopt.gnu_getopt(sys.argv[1:], "d:c:v:n:th")
     for key, value in opts:
-        if key in ['-h', '--help']:
+        if key in ["-h", "--help"]:
+            print("A collection of test cases catalog written using Python")
             print(
-                'A collection of test cases catalog written using Python')
-            print("-d root dir of test case files written by Python, default: system-test,develop-test")
-            print('-c catalog file name, default: catalog.md')
-            print('-v dir depth of test cases.default: 5')
-            print('-n <True:False> generate')
-            print('-r <True:False> delete')
+                "-d root dir of test case files written by Python, default: system-test,develop-test"
+            )
+            print("-c catalog file name, default: catalog.md")
+            print("-v dir depth of test cases.default: 5")
+            print("-n <True:False> generate")
+            print("-r <True:False> delete")
             sys.exit(0)
 
-        if key in ['-d']: 
-            CaseDirList = value.split(',')
+        if key in ["-d"]:
+            CaseDirList = value.split(",")
 
-        if key in ['-c']:
+        if key in ["-c"]:
             CatalogName = value
 
-        if key in ['-v']:
+        if key in ["-v"]:
             DirDepth = int(value)
 
-        if key in ['-n']:
-            if (value.upper() == "TRUE"):
+        if key in ["-n"]:
+            if value.upper() == "TRUE":
                 generate = True
-            elif (value.upper() == "FALSE"):
+            elif value.upper() == "FALSE":
                 generate = False
 
-        if key in ['-r']:
-            if (value.upper() == "TRUE"):
+        if key in ["-r"]:
+            if value.upper() == "TRUE":
                 delete = True
-            elif (value.upper() == "FALSE"):
+            elif value.upper() == "FALSE":
                 delete = False
 
     print(CaseDirList, CatalogName)
-    if CaseDirList == [] :
-        CaseDirList = ['system-test', 'develop-test']
-    if CatalogName == '' :
-        CatalogName = 'catalog.md'
+    if CaseDirList == []:
+        CaseDirList = ["system-test", "develop-test"]
+    if CatalogName == "":
+        CatalogName = "catalog.md"
     if DirDepth == 0:
         DirDepth = 5
-    print('opt:\n\tcatalogname: %s\n\tcasedirlist: %s\n\tdepth: %d\n\tgenerate: %s\n\tdelete: %s' 
-            % (CatalogName, ','.join(CaseDirList), DirDepth, generate, delete))
+    print(
+        "opt:\n\tcatalogname: %s\n\tcasedirlist: %s\n\tdepth: %d\n\tgenerate: %s\n\tdelete: %s"
+        % (CatalogName, ",".join(CaseDirList), DirDepth, generate, delete)
+    )
     f = CatalogGen(CaseDirList, CatalogName, DirDepth)
     if delete:
         f.CleanCatalog()