diff --git a/apps/function_lib/serializers/function_lib_serializer.py b/apps/function_lib/serializers/function_lib_serializer.py
index d5045e698..429c2704f 100644
--- a/apps/function_lib/serializers/function_lib_serializer.py
+++ b/apps/function_lib/serializers/function_lib_serializer.py
@@ -6,6 +6,7 @@
     @date：2024/8/2 17:35
     @desc:
 """
+import io
 import json
 import pickle
 import re
@@ -289,7 +290,7 @@ class FunctionLibSerializer(serializers.Serializer):
                 if function_lib.init_params:
                     old_init_params = json.loads(rsa_long_decrypt(function_lib.init_params))
                     for key in edit_dict['init_params']:
-                        if edit_dict['init_params'][key] == encryption(old_init_params[key]):
+                        if key in old_init_params and edit_dict['init_params'][key] == encryption(old_init_params[key]):
                             edit_dict['init_params'][key] = old_init_params[key]
 
                 edit_dict['init_params'] = rsa_long_encrypt(json.dumps(edit_dict['init_params']))
@@ -309,7 +310,7 @@ class FunctionLibSerializer(serializers.Serializer):
                 password_fields = [i["field"] for i in function_lib.init_field_list if i.get("input_type") == "PasswordInput"]
                 if function_lib.init_params:
                     for k in function_lib.init_params:
-                        if k in password_fields:
+                        if k in password_fields and function_lib.init_params[k]:
                             function_lib.init_params[k] = encryption(function_lib.init_params[k])
             return {**FunctionLibModelSerializer(function_lib).data, 'init_params': function_lib.init_params}