diff --git a/backend/pipeline/entity_extractor.py b/backend/pipeline/entity_extractor.py
index 253dcbc..33d74e8 100644
--- a/backend/pipeline/entity_extractor.py
+++ b/backend/pipeline/entity_extractor.py
@@ -33,45 +33,25 @@ PROMPT_DESCRIPTION = (
 
 EXAMPLES = [
     lx.data.ExampleData(
-        text=(
-            "建筑高度大于100m的公共建筑应设置避难层。避难层应采用耐火极限不低于3.00h的防火墙和甲级防火门进行分隔。"
-            "建筑内的消防控制室应采用耐火极限不低于2.00h的防火隔墙与乙级防火门与其他部位分隔。"
-            "疏散走道两侧的隔墙应采用不燃材料，其耐火极限不应低于1.00h。"
-        ),
+        text="公共建筑应设置防火墙。甲级防火门耐火极限为2.0h。消防控制室采用不燃材料。",
         extractions=[
             lx.data.Extraction(extraction_class="场所", extraction_text="公共建筑"),
-            lx.data.Extraction(extraction_class="构件", extraction_text="避难层"),
-            lx.data.Extraction(extraction_class="指标", extraction_text="耐火极限不低于3.00h"),
             lx.data.Extraction(extraction_class="构件", extraction_text="防火墙"),
             lx.data.Extraction(extraction_class="构件", extraction_text="甲级防火门"),
+            lx.data.Extraction(extraction_class="指标", extraction_text="2.0h"),
             lx.data.Extraction(extraction_class="设施", extraction_text="消防控制室"),
-            lx.data.Extraction(extraction_class="指标", extraction_text="耐火极限不低于2.00h"),
-            lx.data.Extraction(extraction_class="构件", extraction_text="防火隔墙"),
-            lx.data.Extraction(extraction_class="构件", extraction_text="乙级防火门"),
-            lx.data.Extraction(extraction_class="构件", extraction_text="疏散走道"),
-            lx.data.Extraction(extraction_class="构件", extraction_text="隔墙"),
             lx.data.Extraction(extraction_class="材料", extraction_text="不燃材料"),
-            lx.data.Extraction(extraction_class="指标", extraction_text="耐火极限不应低于1.00h"),
         ],
     ),
     lx.data.ExampleData(
-        text=(
-            "住宅建筑室内消火栓设计流量不应小于5L/s。高位消防水箱有效容积不应小于18m3，"
-            "且应设置在建筑最高部位。消防电梯前室应设置室内消火栓。"
-            "公共建筑内每个防火分区的安全出口不应少于2个。"
-        ),
+        text="住宅建筑应设室内消火栓。高位消防水箱容积为18m3。消防电梯前室设安全出口。",
         extractions=[
             lx.data.Extraction(extraction_class="场所", extraction_text="住宅建筑"),
             lx.data.Extraction(extraction_class="设备", extraction_text="室内消火栓"),
-            lx.data.Extraction(extraction_class="指标", extraction_text="不应小于5L/s"),
             lx.data.Extraction(extraction_class="设备", extraction_text="高位消防水箱"),
-            lx.data.Extraction(extraction_class="指标", extraction_text="不应小于18m3"),
+            lx.data.Extraction(extraction_class="指标", extraction_text="18m3"),
             lx.data.Extraction(extraction_class="构件", extraction_text="消防电梯前室"),
-            lx.data.Extraction(extraction_class="设备", extraction_text="室内消火栓"),
-            lx.data.Extraction(extraction_class="场所", extraction_text="公共建筑"),
-            lx.data.Extraction(extraction_class="构件", extraction_text="防火分区"),
             lx.data.Extraction(extraction_class="构件", extraction_text="安全出口"),
-            lx.data.Extraction(extraction_class="指标", extraction_text="不应少于2个"),
         ],
     ),
 ]
diff --git a/backend/services/indexing_service.py b/backend/services/indexing_service.py
index d489974..c6fb7f5 100644
--- a/backend/services/indexing_service.py
+++ b/backend/services/indexing_service.py
@@ -218,7 +218,7 @@ def _run_pipeline(job_id: str) -> None:
 
         elapsed = round(time.time() - start_time, 1)
         stats = {
-            "blocks": len(content_list),
+            "blocks": total_pages if ext in ("txt",) else len(content_list),
             "block_types": block_types,
             "pages": total_pages,
             "raw_extractions": len(records),