diff --git a/agent/nodes.py b/agent/nodes.py
index d3dbe15..c678c39 100644
--- a/agent/nodes.py
+++ b/agent/nodes.py
@@ -151,7 +151,7 @@ def process_input(state: AgentState) -> Dict:
                         # 同时更新工作对话历史中的最后一条
                         conv_history[-1]["content"] = user_input
                     # 批注检测（圈选/箭头标记）
-                    elements = ocr_result.get("elements", [])
+                    elements = ocr_result.get("all_elements", [])
                     if elements:
                         try:
                             from backend.annotation_detector import detect_annotations
@@ -663,7 +663,7 @@ def _format_ocr_context(state: AgentState) -> str:
                 )
 
     # 所有原始文本（用于表格匹配等需要全文的场景）
-    elements = ocr_result.get("elements", [])
+    elements = ocr_result.get("all_elements", [])
     if elements:
         parts.append("\n全部文本元素（含坐标）:")
         for e in elements: