diff --git a/agentmain.py b/agentmain.py
index 5a126c7..29edfb0 100644
--- a/agentmain.py
+++ b/agentmain.py
@@ -6,7 +6,7 @@ sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
 
 from sidercall import SiderLLMSession, LLMSession, ToolClient
 from agent_loop import agent_runner_loop, StepOutcome, BaseHandler
-from ga import GenericAgentHandler, smart_format, get_global_memory
+from ga import GenericAgentHandler, smart_format, get_global_memory, format_error
 
 with open('assets/tools_schema.json', 'r', encoding='utf-8') as f:
     TS = f.read()
@@ -38,7 +38,6 @@ class GeneraticAgent:
             self.llmclient = llmclient
         else:
             self.llmclient = None
-
         self.lock = threading.Lock()
         self.history = []               
         self.task_queue = queue.Queue() 
@@ -50,8 +49,11 @@ class GeneraticAgent:
         self.current_source = 'none'
 
     def abort(self):
-        if self.is_running: self.stop_sig = True
+        if not self.is_running: return
+        self.stop_sig = True
+
     def put_task(self, query, source="user"):
+        self.display_queue.queue.clear()
         self.task_queue.put({"query": query, "source": source})
 
     def run(self):
@@ -74,14 +76,13 @@ class GeneraticAgent:
             try:
                 full_response = ""
                 for chunk in gen:
+                    if self.stop_sig: break
                     full_response += chunk
                     self.display_queue.put({'next': full_response, 'source': source})
-                    if self.stop_sig:
-                        self.stop_sig = False
-                        raise KeyboardInterrupt("用户中止运行")
                 self.display_queue.put({'done': full_response, 'source': source})
                 self.history = handler.history_info
-            except:
+            except Exception as e:
+                print(f"Backend Error: {format_error(e)}")
                 self.display_queue.put({'done': '异常停止', 'source': source})
             finally:
                 self.is_running = False
diff --git a/launch.pyw b/launch.pyw
index 4b91d6f..cb2d4a2 100644
--- a/launch.pyw
+++ b/launch.pyw
@@ -22,7 +22,7 @@ def get_screen_width():
 def start_streamlit():
     global proc
     cmd = [
-        sys.executable, "-m", "streamlit", "run", "agentapp.py", 
+        sys.executable, "-m", "streamlit", "run", "stapp.py", 
         "--server.port", "8501", 
         "--server.headless", "true",
         "--theme.base", "dark" #以此默认开启暗黑模式，更有极客感
@@ -33,8 +33,10 @@ def start_streamlit():
 if __name__ == '__main__':
     t = threading.Thread(target=start_streamlit, daemon=True)
     t.start()
-    screen_width = get_screen_width()
-    x_pos = screen_width - WINDOW_WIDTH - RIGHT_PADDING
+    if os.name == 'nt':
+        screen_width = get_screen_width()
+        x_pos = screen_width - WINDOW_WIDTH - RIGHT_PADDING
+    else: x_pos = 100
     time.sleep(2) 
     webview.create_window(
         title='GenericAgent', 
diff --git a/agentapp.py b/stapp.py
similarity index 96%
rename from agentapp.py
rename to stapp.py
index 63c8392..9607f95 100644
--- a/agentapp.py
+++ b/stapp.py
@@ -37,6 +37,9 @@ def render_llm_switcher():
     if st.button("切换备用链路"):
         agent.llm_no = (current_idx + 1) % len(agent.llmclient.raw_apis)
         st.rerun(scope="fragment")
+    if st.button("强行停止任务"):
+        agent.abort()
+        st.toast("已发送停止信号")
 with st.sidebar: render_llm_switcher()
 
 @st.fragment(run_every="1s")
@@ -66,8 +69,6 @@ def agent_backend_stream(prompt):
     finally:
         agent.abort()
         print('User aborted the operation.')
-        while not agent.display_queue.empty():
-            agent.display_queue.get()
 
 if prompt := st.chat_input("请输入指令"):
     st.session_state.messages.append({"role": "user", "content": prompt})