diff --git a/src/main/java/com/guo/learningprogresstracker/dto/request/UpdateFragmentsRequest.java b/src/main/java/com/guo/learningprogresstracker/dto/request/UpdateFragmentsRequest.java
new file mode 100644
index 0000000..37acce3
--- /dev/null
+++ b/src/main/java/com/guo/learningprogresstracker/dto/request/UpdateFragmentsRequest.java
@@ -0,0 +1,16 @@
+package com.guo.learningprogresstracker.dto.request;
+
+import jakarta.validation.constraints.NotBlank;
+import lombok.Data;
+
+/**
+ * @author guo
+ */
+@Data
+public class UpdateFragmentsRequest {
+    /**
+     * 残片内容,学习内容的描述
+     */
+    @NotBlank(message = "啊？无字天书？")
+    private String content;
+}
diff --git a/src/main/java/com/guo/learningprogresstracker/mapStruct/FragmentsConvert.java b/src/main/java/com/guo/learningprogresstracker/mapStruct/FragmentsConvert.java
index 896b723..ff4d89f 100644
--- a/src/main/java/com/guo/learningprogresstracker/mapStruct/FragmentsConvert.java
+++ b/src/main/java/com/guo/learningprogresstracker/mapStruct/FragmentsConvert.java
@@ -1,6 +1,7 @@
 package com.guo.learningprogresstracker.mapStruct;
 
 import com.guo.learningprogresstracker.dto.request.CreateFragmentsRequest;
+import com.guo.learningprogresstracker.dto.request.UpdateFragmentsRequest;
 import com.guo.learningprogresstracker.entity.StudyReportFragmentsEntity;
 import org.mapstruct.Mapper;
 import org.mapstruct.ReportingPolicy;
@@ -11,4 +12,6 @@ public interface FragmentsConvert {
     FragmentsConvert MAPPER = Mappers.getMapper(FragmentsConvert.class);
 
     StudyReportFragmentsEntity toFragmentsEntity(CreateFragmentsRequest request);
+
+    StudyReportFragmentsEntity toFragmentsEntity(UpdateFragmentsRequest request);
 }