diff --git a/ga.py b/ga.py
index 1327542..d2ea7eb 100644
--- a/ga.py
+++ b/ga.py
@@ -103,8 +103,8 @@ def first_init_driver():
         if len(sess) > 0: break
     if len(sess) == 0: return 
     if len(sess) == 1: 
-        driver.newtab()
-        time.sleep(5)
+        #driver.newtab()
+        time.sleep(3)
 
 def web_scan(tabs_only=False, switch_tab_id=None):
     """
@@ -207,7 +207,8 @@ def file_read(path, start=1, keyword=None, count=200, show_linenos=True):
                         res = list(before) + [(i, l)] + list(itertools.islice(stream, count - len(before) - 1))
                         break
                     before.append((i, l))
-                else: return f"Keyword '{keyword}' not found after line {start}."
+                else: return f"Keyword '{keyword}' not found after line {start}. Falling back to content from line {start}:\n\n" \
+                               + file_read(path, start, None, count, show_linenos)
             else: res = itertools.islice(stream, count)
             return "\n".join(f"{i}|{l}" if show_linenos else l for i, l in res)
     except Exception as e:
@@ -287,8 +288,9 @@ class GenericAgentHandler(BaseHandler):
         result = web_scan(tabs_only=tabs_only, switch_tab_id=switch_tab_id)
         content = result.pop("content", None)
         yield f'[Info] {str(result)}\n'
-        if content: next_prompt = f"```html\n{content}\n```"
+        if content: next_prompt = f"<tool_result>\n```html\n{content}\n```\n</tool_result>"
         else: next_prompt = "标签页列表如上\n"
+        # 手动tool_result为了触发历史上下文自动压缩
         return StepOutcome(result, next_prompt=next_prompt)
     
     def do_web_execute_js(self, args, response):
@@ -296,15 +298,16 @@ class GenericAgentHandler(BaseHandler):
         支持将结果保存到文件供后续读取分析，但保存功能仅限即时读取，与await等异步操作不兼容。
         '''
         script = args.get("script", "")
+        if not script: return StepOutcome(None, next_prompt="[Error] Empty script param. Check your tool call arguments.")
         save_to_file = args.get("save_to_file", "")
         result = web_execute_js(script)
         if save_to_file and "js_return" in result:
             content = str(result["js_return"] or '')
             abs_path = self._get_abs_path(save_to_file)
-            result["js_return"] = content[:200] + ("..." if len(content) > 200 else "")
+            result["js_return"] = smart_format(content, max_str_len=200)
             try:
                 with open(abs_path, 'w', encoding='utf-8') as f: f.write(str(content))
-                result["js_return"] += f"\n\n[已保存以上内容到 {abs_path}]"
+                result["js_return"] += f"\n\n[已保存完整内容到 {abs_path}]"
             except:
                 result['js_return'] += f"\n\n[保存失败，无法写入文件 {abs_path}]"
         print("Web Execute JS Result:", smart_format(result))
@@ -371,13 +374,15 @@ class GenericAgentHandler(BaseHandler):
         if show_linenos:
             tips = '由于设置了show_linenos，以下返回信息为：(行号|)内容 。\n'
             result = tips + result 
+        if ' ... [TRUNCATED]' in result:
+            result += '\n\n（某些行被截断，如需完整内容可改用 code_run 读取）'
         next_prompt = self._get_anchor_prompt()
         if 'memory' in path or 'sop' in path: 
             next_prompt += "\nPROTOCOL: 你正在读取记忆或SOP文件，若决定按sop执行请先调用相关工具提取sop中的关键点（特别是靠后的）进入工作记忆。"
         return StepOutcome(result, next_prompt=next_prompt)
     
     def do_update_working_mem(self, args, response):
-        '''读取完sop后，为整个任务设定后续需要临时记忆的重点。
+        '''为整个任务设定后续需要临时记忆的重点。
         '''
         key_info = args.get("key_info", "")
         related_sop = args.get("related_sop", "")
diff --git a/sidercall.py b/sidercall.py
index 0cefd2c..3bbafdd 100644
--- a/sidercall.py
+++ b/sidercall.py
@@ -13,6 +13,19 @@ google_api_key = mykeys.get("google_api_key")
 proxy = mykeys.get("proxy", 'http://127.0.0.1:2082')
 proxies = {"http": proxy, "https": proxy} if proxy else None
 
+def compress_history_tags(messages, keep_recent=4, max_len=200):
+    """Compress <thinking>/<tool_use>/<tool_result> tags in older messages to save tokens."""
+    for i, msg in enumerate(messages):
+        if i < len(messages) - keep_recent and 'orig' not in msg:
+            msg['orig'] = msg['prompt']
+            for tag in ('thinking', 'tool_use', 'tool_result'):
+                msg['prompt'] = re.sub(
+                    rf'(<{tag}>)([\s\S]*?)(</{tag}>)',
+                    lambda m, _ml=max_len: m.group(1) + (m.group(2)[:_ml] + '...') + m.group(3) if len(m.group(2)) > _ml else m.group(0),
+                    msg['prompt']
+                )
+    return messages
+
 class SiderLLMSession:
     def __init__(self, default_model="gemini-3.0-flash"):
         from sider_ai_api import Session
@@ -32,16 +45,7 @@ class ClaudeSession:
         self.api_key, self.api_base, self.default_model, self.context_win = api_key, api_base.rstrip('/'), model, context_win
         self.raw_msgs, self.lock = [], threading.Lock()
     def _trim_messages(self, messages):
-        # 压缩4轮前的assistant消息：truncate <thinking>/<tool_use> 块
-        for i, msg in enumerate(messages):
-            if i < len(messages) - 4 and 'orig' not in msg:
-                msg['orig'] = msg['prompt']
-                for tag in ('thinking', 'tool_use', 'tool_result'):
-                    msg['prompt'] = re.sub(
-                        rf'(<{tag}>)([\s\S]*?)(</{tag}>)',
-                        lambda m: m.group(1) + (m.group(2)[:200] + '...') + m.group(3) if len(m.group(2)) > 200 else m.group(0),
-                        msg['prompt']
-                    )
+        compress_history_tags(messages)
         total = sum(len(m['prompt']) for m in messages)
         if total <= self.context_win * 4: return messages
         target, current, result = self.context_win * 4 * 0.9, 0, []
@@ -120,16 +124,9 @@ class LLMSession:
             yield f"Error: {str(e)}"
 
     def make_messages(self, raw_list, omit_images=True):
+        compress_history_tags(raw_list)
         messages = []
         for i, msg in enumerate(raw_list):
-            if i < len(raw_list) - 4 and 'orig' not in msg:
-                msg['orig'] = msg['prompt']
-                for tag in ('thinking', 'tool_use', 'tool_result'):
-                    msg['prompt'] = re.sub(
-                        rf'(<{tag}>)([\s\S]*?)(</{tag}>)',
-                        lambda m: m.group(1) + (m.group(2)[:200] + '...') + m.group(3) if len(m.group(2)) > 200 else m.group(0),
-                        msg['prompt']
-                    )
             prompt = msg['prompt']
             if omit_images and msg['image']: messages.append({"role": msg['role'], "content": "[Image omitted, if you needed it, ask me]\n" + prompt})
             elif not omit_images and msg['image']:
diff --git a/tgapp.py b/tgapp.py
index a31c7ec..211372c 100644
--- a/tgapp.py
+++ b/tgapp.py
@@ -3,6 +3,7 @@ sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
 from agentmain import GeneraticAgent
 from telegram import Update
 from telegram.ext import ApplicationBuilder, MessageHandler, CommandHandler, filters, ContextTypes
+from telegram.request import HTTPXRequest
 import mykey
 
 agent = GeneraticAgent()
@@ -92,17 +93,32 @@ if __name__ == '__main__':
     if not ALLOWED: sys.exit('ERROR: tg_allowed_users in mykey.py is empty or missing. Set it to avoid unauthorized access.')
     _logf = open(os.path.join(os.path.dirname(__file__), 'temp', 'tgapp.log'), 'a', encoding='utf-8', buffering=1)
     sys.stdout = sys.stderr = _logf
+    print('[NEW] New process starting, the above are history infos ...')
     threading.Thread(target=agent.run, daemon=True).start()
     proxy = vars(mykey).get('proxy', 'http://127.0.0.1:2082')
     print('proxy:', proxy)
-    app = ApplicationBuilder().token(mykey.tg_bot_token).proxy(proxy).get_updates_proxy(proxy).build()
+    request = HTTPXRequest(proxy=proxy, read_timeout=30, write_timeout=30, connect_timeout=30, pool_timeout=30)
+    app = (ApplicationBuilder()
+           .token(mykey.tg_bot_token)
+           .request(request)
+           .get_updates_request(request)
+           .build())
     app.add_handler(CommandHandler("stop", cmd_abort))
     app.add_handler(CommandHandler("llm", cmd_llm))
     app.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, handle_msg))
+
+    async def _error_handler(update, context: ContextTypes.DEFAULT_TYPE):
+        print(f"[{time.strftime('%m-%d %H:%M')}] TG error: {context.error}", flush=True)
+    app.add_error_handler(_error_handler)
+
     print(f"TG bot starting... {time.strftime('%m-%d %H:%M')}")
     while True:
         try:
-            app.run_polling(drop_pending_updates=True)
+            app.run_polling(
+                drop_pending_updates=True,
+                poll_interval=1.0,
+                timeout=30,
+            )
         except Exception as e:
             print(f"[{time.strftime('%m-%d %H:%M')}] polling crashed: {e}", flush=True)
             time.sleep(10)