diff --git a/src/main/java/com/example/caseData/controller/CaseExchangeController.java b/src/main/java/com/example/caseData/controller/CaseExchangeController.java
index 4014898..d091615 100644
--- a/src/main/java/com/example/caseData/controller/CaseExchangeController.java
+++ b/src/main/java/com/example/caseData/controller/CaseExchangeController.java
@@ -94,8 +94,8 @@ public class CaseExchangeController {
 
         for (CaseExchangeDto dto : resultPage.getRecords()) {
             // 内容
-            dto.setExchangeContent("");
-            dto.setExchangeSummary("");
+            String exchangeContent = dto.getExchangeContent().length() <= 50 ? dto.getExchangeContent() : dto.getExchangeContent().substring(0, 50);
+            dto.setExchangeContent(exchangeContent);
 
             // 处理预览视频
             dto.setExchangeContentVideoString(dto.getExchangeContentVideoString());