diff --git a/test/test_json.py b/test/test_json.py
new file mode 100644
index 00000000..719285c4
--- /dev/null
+++ b/test/test_json.py
@@ -0,0 +1,17 @@
+import json
+
+json_data = '{"prompt":"\n\n'
+def check_json(json_data):
+    while True:
+        try:
+            json.loads(json_data)
+            break
+        except json.decoder.JSONDecodeError as e:
+            print("JSON error：", e)
+            print("JSON body", repr(json_data))
+            if "Invalid control character" in str(e):
+                json_data = json_data.replace("\n", "\\n")
+            if "Unterminated string starting" in str(e):
+                json_data += '"}'
+    return json_data
+print(json.loads(check_json(json_data)))
diff --git a/utils/agent.py b/utils/agent.py
index 6dda88aa..c12fdb18 100644
--- a/utils/agent.py
+++ b/utils/agent.py
@@ -1,5 +1,6 @@
 import os
 import re
+import json
 
 import sys
 sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
@@ -305,6 +306,8 @@ def getddgsearchurl(result, numresults=3):
     try:
         search = DuckDuckGoSearchResults(num_results=numresults)
         webresult = search.run(result)
+        if webresult == None:
+            return []
         urls = re.findall(r"(https?://\S+)\]", webresult, re.MULTILINE)
     except Exception as e:
         print('\033[31m')
@@ -500,6 +503,20 @@ def get_search_results(prompt: str, context_max_tokens: int):
 
     return useful_source_text
 
+def check_json(json_data):
+    while True:
+        try:
+            json.loads(json_data)
+            break
+        except json.decoder.JSONDecodeError as e:
+            print("JSON error：", e)
+            print("JSON body", repr(json_data))
+            if "Invalid control character" in str(e):
+                json_data = json_data.replace("\n", "\\n")
+            if "Unterminated string starting" in str(e):
+                json_data += '"}'
+    return json_data
+
 if __name__ == "__main__":
     os.system("clear")
     
diff --git a/utils/chatgpt2api.py b/utils/chatgpt2api.py
index defcc1d1..ff47b162 100644
--- a/utils/chatgpt2api.py
+++ b/utils/chatgpt2api.py
@@ -12,7 +12,7 @@
 from typing import Set
 
 import config
-from utils.agent import Web_crawler, get_search_results, cut_message, get_url_text_list, get_text_token_len
+from utils.agent import Web_crawler, get_search_results, cut_message, get_url_text_list, get_text_token_len, check_json
 from utils.function_call import function_call_list
 
 def get_filtered_keys_from_object(obj: object, *keys: str) -> Set[str]:
@@ -539,6 +539,7 @@ def ask_stream(
             self.reset(convo_id=convo_id, system_prompt=self.system_prompt)
         self.add_to_conversation(prompt, role, convo_id=convo_id, function_name=function_name)
         json_post, message_token = self.truncate_conversation(prompt, role, convo_id, model, pass_history, **kwargs)
+        print(json_post)
         print(self.conversation[convo_id])
 
         if self.engine == "gpt-4-1106-preview" or self.engine == "gpt-3.5-turbo-1106":
@@ -592,7 +593,11 @@ def ask_stream(
                 if "name" in delta["function_call"]:
                     function_call_name = delta["function_call"]["name"]
                 full_response += function_call_content
+                if full_response.count("\\n") > 2:
+                    break
         if need_function_call:
+            full_response = check_json(full_response)
+            print("full_response", full_response)
             if not self.function_calls_counter.get(function_call_name):
                 self.function_calls_counter[function_call_name] = 1
             else: