diff --git a/remote_sync/bot.py b/remote_sync/bot.py
index b69f35d..12cf36b 100755
--- a/remote_sync/bot.py
+++ b/remote_sync/bot.py
@@ -152,6 +152,17 @@ DALONGXIA_ANALYTICS_HINT_KEYWORDS = (
     "analytics",
 )
 
+EXCEL_IMAGE_LINK_HINT_KEYWORDS = (
+    "图片链接",
+    "链接转图片",
+    "转成图片",
+    "回填",
+    "excel",
+    "xlsx",
+    "表格",
+    "文件",
+)
+
 
 URL_RE = re.compile(
     r"https?://[A-Za-z0-9\-._~:/?#\[\]@!$&'()*+,;=%]+",
@@ -313,6 +324,11 @@ class OpenClawDingTalkBot(ChatbotHandler):
         self.excel_image_download_timeout = max(3, min(int(os.getenv("EXCEL_IMAGE_DOWNLOAD_TIMEOUT", "20")), 120))
         self.excel_file_download_timeout = max(5, min(int(os.getenv("EXCEL_FILE_DOWNLOAD_TIMEOUT", "60")), 300))
         self.excel_skip_tls_verify = bool_env("EXCEL_IMAGE_SKIP_TLS_VERIFY", False)
+        self.excel_text_prompt_cooldown_seconds = max(
+            10,
+            min(int(os.getenv("EXCEL_TEXT_PROMPT_COOLDOWN_SECONDS", "120")), 600),
+        )
+        self._recent_excel_success_ts = {}
 
     def _should_handle(self, msg: ChatbotMessage, text: str) -> bool:
         if text.startswith(self.prefix):
@@ -1429,6 +1445,12 @@ class OpenClawDingTalkBot(ChatbotHandler):
     def _is_supported_excel_file(self, file_name: str) -> bool:
         return str(file_name or "").strip().lower().endswith(".xlsx")
 
+    def _is_excel_link_prompt(self, prompt: str) -> bool:
+        raw = str(prompt or "").strip().lower()
+        if not raw:
+            return False
+        return any(keyword in raw for keyword in EXCEL_IMAGE_LINK_HINT_KEYWORDS)
+
     def _find_download_code_payload(self, value):
         stack = [value]
         while stack:
@@ -2423,6 +2445,7 @@ class OpenClawDingTalkBot(ChatbotHandler):
         incoming_image_codes = self._extract_incoming_download_codes(msg)
         incoming_file_payload = self._extract_incoming_file_payload(callback.data, msg)
         has_excel_file = bool(incoming_file_payload)
+        conversation_key = re.sub(r"[^A-Za-z0-9_-]+", "-", str(getattr(msg, "conversation_id", "") or "default"))
 
         if not text and not incoming_image_codes and not has_excel_file:
             return AckMessage.STATUS_OK, "ignored"
@@ -2443,6 +2466,14 @@ class OpenClawDingTalkBot(ChatbotHandler):
                     prefer_card=False,
                 )
                 return AckMessage.STATUS_OK, "ok"
+        elif not has_excel_file and self.excel_link_feature_enabled and self._is_excel_link_prompt(prompt):
+            now_ts = time.time()
+            last_ts = self._recent_excel_success_ts.get(conversation_key, 0)
+            if last_ts and now_ts - last_ts <= self.excel_text_prompt_cooldown_seconds:
+                self._reply_message(msg, "文件刚处理完成，请查看上一条回传文件。", prefer_card=False)
+            else:
+                self._reply_message(msg, "请直接上传 .xlsx 文件（包含“图片链接”列），我会自动回填并回传。", prefer_card=False)
+            return AckMessage.STATUS_OK, "excel_text_prompt_hint"
 
         event_key = self._event_key(callback, msg, prompt)
         if self._seen_or_mark_event(event_key):
@@ -2468,7 +2499,6 @@ class OpenClawDingTalkBot(ChatbotHandler):
             except Exception:
                 self.logger.exception("failed to send processing hint")
 
-        conversation_key = re.sub(r"[^A-Za-z0-9_-]+", "-", str(getattr(msg, "conversation_id", "") or "default"))
         conv_lock = self._conversation_locks.setdefault(conversation_key, asyncio.Lock())
 
         async with conv_lock:
@@ -2490,6 +2520,7 @@ class OpenClawDingTalkBot(ChatbotHandler):
                             incoming_file_payload,
                         )
                         if file_sent:
+                            self._recent_excel_success_ts[conversation_key] = time.time()
                             self._reply_message(msg, file_answer, prefer_card=False)
                             self.logger.info(
                                 "excel file processed: session=%s file=%s",