diff --git a/komrade/utils.py b/komrade/utils.py
index 6e0bc76..6fe086d 100644
--- a/komrade/utils.py
+++ b/komrade/utils.py
@@ -59,41 +59,68 @@ def hashish(binary_data):
 from base64 import b64encode,b64decode
 import ujson as json
 def package_for_transmission(data_json):
-    for k,v in data_json.items():
-        if type(v)==bytes:
-            if not isBase64(v): v=b64encode(v)
-            v=v.decode()
-        elif type(v)==str:
-            # if not isBase64(v): v=b64encode(v.encode())
-            pass
-        elif type(v)==dict:
-            v=package_for_transmission(v)
-        data_json[k]=v
-    print(type(data_json), data_json)
-    data_json_s = json.dumps(data_json)
-    data_json_b = data_json_s.encode()
-    return b64encode(data_json_b)
-
-def unpackage_from_transmission(data_json_b):
-    print(type(data_json_b),'data_json_b1???',data_json_b)
-    if type(data_json_b)==bytes and isBase64(data_json_b): data_json_b=b64decode(data_json_b)
-    print(type(data_json_b),'data_json_b???',data_json_b)
-    # print(type(data_json_b),)
-    data_json_s = data_json_b.decode()
-    print(type(data_json_s),'data_json_s???',data_json_s)
-    data_json = json.loads(data_json_s)
-    print(type(data_json),'data_json???',data_json)
-    for k,v in data_json.items():
-        if type(v)==bytes:
-            if isBase64(v):v=b64decode(v.decode())
-            data_json[k]=v
-        elif type(v)==str:
-            if isBase64(v): v=b64decode(v.encode())
-            data_json[k]=v
+
+    # for k,v in data_json.items():
+    #     if type(v)==bytes:
+    #         if not isBase64(v): v=b64encode(v)
+    #         v=v.decode()
+    #     elif type(v)==str:
+    #         # if not isBase64(v): v=b64encode(v.encode())
+    #         pass
+    #     elif type(v)==dict:
+    #         v=package_for_transmission(v)
+    #     data_json[k]=v
+    # print(type(data_json), data_json)
+    # data_json_s = json.dumps(data_json)
+    # data_json_b = data_json_s.encode()
+    print('package_for_transmission.data_json =',data_json)
+    data_json_bstr = json.dumps(data_json,reject_bytes=False)
+    print('package_for_transmission.data_json_b =',data_json_bstr)
+    return b64encode(data_json_bstr.encode())
+
+
+def dejsonize(dict):
+    for k,v in dict.items():
+        if type(v)==str and isBase64(v):
+            dict[k]=b64decode(v.encode())
+        if type(v)==bytes and isBase64(v):
+            dict[k]=b64decode(v)
         elif type(v)==dict:
-            data_json[k]=unpackage_from_transmission(v)
+            dict[k]=dejsonize(v)
+    return dict
+
+def unpackage_from_transmission(data_json_b64):
+    print('unpackage_from_transmission.data_json_b64 =',data_json_b64)
+    data_json_bstr = b64decode(data_json_b64).decode()
+    print('unpackage_from_transmission.data_json_bstr =',data_json_bstr)
+    
+    data_json = json.loads(data_json_bstr)
+    print('unpackage_from_transmission.data_json =',data_json)
+
+    data_json_dejson = dejsonize(data_json)
+    print('unpackage_from_transmission.data_json =',data_json_dejson)
+
     return data_json
 
+    # print(type(data_json_b),'data_json_b1???',data_json_b)
+    # if type(data_json_b)==bytes and isBase64(data_json_b): data_json_b=b64decode(data_json_b)
+    # print(type(data_json_b),'data_json_b???',data_json_b)
+    # # print(type(data_json_b),)
+    # data_json_s = data_json_b.decode()
+    # print(type(data_json_s),'data_json_s???',data_json_s)
+    # data_json = json.loads(data_json_s)
+    # print(type(data_json),'data_json???',data_json)
+    # for k,v in data_json.items():
+    #     if type(v)==bytes:
+    #         if isBase64(v):v=b64decode(v.decode())
+    #         data_json[k]=v
+    #     elif type(v)==str:
+    #         if isBase64(v): v=b64decode(v.encode())
+    #         data_json[k]=v
+    #     elif type(v)==dict:
+    #         data_json[k]=unpackage_from_transmission(v)
+    # return data_json
+
 
 
 # Recursive dictionary merge