diff --git a/agentmain.py b/agentmain.py
index 7a853f2..15d2571 100644
--- a/agentmain.py
+++ b/agentmain.py
@@ -188,13 +188,13 @@ if __name__ == '__main__':
                 if 'next' in item and random.random() < 0.95:  # 概率写一次中间结果
                     with open(f'{d}/output{nround}.txt', 'w', encoding='utf-8') as f: f.write(item.get('next', ''))
             with open(f'{d}/output{nround}.txt', 'w', encoding='utf-8') as f: f.write(item['done'] + '\n\n[ROUND END]\n')
-            for _ in range(300):  # 等reply.txt，5分钟超时
+            for _ in range(300):  # 等reply.txt，10分钟超时
                 time.sleep(2)
                 if os.path.exists(rp):
                     with open(rp, encoding='utf-8') as f: raw = f.read()
                     os.remove(rp); break
             else: break
-            nround = int(nround) + 1 if nround.isdigit() else 1
+            nround = nround + 1 if isinstance(nround, int) else 1
     elif args.reflect:
         import importlib.util
         spec = importlib.util.spec_from_file_location('reflect_script', args.reflect)
diff --git a/frontends/stapp.py b/frontends/stapp.py
index 41f0a88..67e8355 100644
--- a/frontends/stapp.py
+++ b/frontends/stapp.py
@@ -139,6 +139,7 @@ if prompt := st.chat_input("请输入指令"):
         turns = []; cache = []; response = ''
         for response in agent_backend_stream(prompt):
             render_segments(fold_turns(response), placeholders=turns, rendered_cache=cache, suffix='<span style="animation: blink 1s step-start infinite; color: #0066cc;">▌</span><style>@keyframes blink { 50% { opacity: 0; } }</style>')
+            st.empty()  # force Streamlit to check StopException on every iteration (incl. heartbeat)
         render_segments(fold_turns(response), placeholders=turns, rendered_cache=cache, force_text=True)
     st.session_state.messages.append({"role": "assistant", "content": response})
     st.session_state.last_reply_time = int(time.time())
diff --git a/ga.py b/ga.py
index 7e54e2b..85803e0 100644
--- a/ga.py
+++ b/ga.py
@@ -251,7 +251,7 @@ def smart_format(data, max_str_len=100, omit_str=' ... '):
 
 class GenericAgentHandler(BaseHandler):
     '''Generic Agent 工具库，包含多种工具的实现。工具函数自动加上了 do_ 前缀。实际工具名没有前缀。'''
-    def __init__(self, parent, last_history=None, cwd='./'):
+    def __init__(self, parent, last_history=None, cwd='./temp'):
         self.parent = parent
         self.working = {}
         self.cwd = cwd;  self.current_turn = 0