diff --git a/cli/c2 b/cli/c2
new file mode 160000
index 00000000..324c5bc0
--- /dev/null
+++ b/cli/c2
@@ -0,0 +1 @@
+Subproject commit 324c5bc05dd27826e863d31f2e3b0caf84878b2c
diff --git a/cli/model.py b/cli/model.py
index a609b3be..047bd817 100644
--- a/cli/model.py
+++ b/cli/model.py
@@ -54,9 +54,6 @@ class FileOp:
     
     def fileToJson(self, path: str, remark: Optional[str] = "#", separate: Optional[str] = "="):
         ''' convert file to Json '''
-        
-        print(path)
-
         dict = {}
         with open(path) as fh:
             for line in fh:
@@ -65,7 +62,8 @@ class FileOp:
                 
                 if line.find(remark) != 0:
                     item, value = line.strip().split(separate, -1)
-                    dict[item] = value
+                    if value != "":
+                        dict[item] = value
                 else:
                     continue
         fh.close()        
@@ -81,7 +79,7 @@ class NetOp:
     def checkPort(self, port: int):
         '''check the target port's status'''
         search_key = "port="+str(port)
-        if str(psutil.net_connections()).find(search_key) != -1:
+        if str(+psutil.net_connections()).find(search_key) != -1:
             print(str(port)+" is used")
             return False
         else:
diff --git a/cli/test.py b/cli/test.py
index fd4cd5ab..4da663bc 100644
--- a/cli/test.py
+++ b/cli/test.py
@@ -1,16 +1,10 @@
-class Card:
-    def __init__(self, rank, suit):
-        self.suit = suit
-        self.rank = rank
-        self.hard, self.soft = self._points()
+import model,re
 
-class NumberCard( Card ):
-    def _points(self):
-        return int(self.rank), int(self.rank)
-    
-class AceCard( Card ):
-    def _points(self):
-        return 1, 11
+env = {}
+fileop=model.FileOp()
+env = fileop.fileToJson('c2/.env')
+
+for key,value in env.items():
+    if re.match(pattern,key,re.I) != None:
+        print(value)
 
-nc=NumberCard(11,12)
-print(nc)
\ No newline at end of file