diff --git a/src/main/java/com/guo/learningprogresstracker/controller/reportFragmentsController.java b/src/main/java/com/guo/learningprogresstracker/controller/reportFragmentsController.java
new file mode 100644
index 0000000..40f4b2b
--- /dev/null
+++ b/src/main/java/com/guo/learningprogresstracker/controller/reportFragmentsController.java
@@ -0,0 +1,35 @@
+package com.guo.learningprogresstracker.controller;
+
+import com.guo.learningprogresstracker.dto.request.CreateFragmentsRequest;
+import com.guo.learningprogresstracker.entity.CommonResult;
+import com.guo.learningprogresstracker.exception.NotFindEntitiesException;
+import com.guo.learningprogresstracker.service.impl.StudyReportFragmentsServiceImpl;
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * 学习残片控制层
+ */
+@RequestMapping("/report-fragments")
+@RestController
+@Validated
+@RequiredArgsConstructor
+public class reportFragmentsController {
+    private final StudyReportFragmentsServiceImpl studyReportFragmentsServiceImpl;
+
+    /**
+     * 创建学习残片
+     * @param request
+     * @return
+     */
+    @PostMapping
+    public CommonResult createFragments(@Valid @RequestBody CreateFragmentsRequest request) throws NotFindEntitiesException {
+        studyReportFragmentsServiceImpl.createFragments(request);
+        return CommonResult.success();
+    }
+}
diff --git a/src/main/java/com/guo/learningprogresstracker/dto/request/CreateFragmentsRequest.java b/src/main/java/com/guo/learningprogresstracker/dto/request/CreateFragmentsRequest.java
new file mode 100644
index 0000000..53756b9
--- /dev/null
+++ b/src/main/java/com/guo/learningprogresstracker/dto/request/CreateFragmentsRequest.java
@@ -0,0 +1,21 @@
+package com.guo.learningprogresstracker.dto.request;
+
+import jakarta.validation.constraints.NotBlank;
+import lombok.Data;
+
+/**
+ * @author guo
+ */
+@Data
+public class CreateFragmentsRequest {
+    /**
+     * 会话编号
+     */
+    private String sessionNum;
+
+    /**
+     * 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/entity/StudyReportFragmentsEntity.java b/src/main/java/com/guo/learningprogresstracker/entity/StudyReportFragmentsEntity.java
index be35614..72b3bc5 100644
--- a/src/main/java/com/guo/learningprogresstracker/entity/StudyReportFragmentsEntity.java
+++ b/src/main/java/com/guo/learningprogresstracker/entity/StudyReportFragmentsEntity.java
@@ -5,7 +5,7 @@ import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import java.io.Serializable;
-import java.time.LocalDateTime;
+
 import lombok.Data;
 
 /**
@@ -18,14 +18,14 @@ public class StudyReportFragmentsEntity extends BaseEntity implements Serializab
     /**
      * 
      */
-    @TableId(value = "fragment_id", type = IdType.AUTO)
-    private Integer fragmentId;
+    @TableId(value = "id", type = IdType.AUTO)
+    private Integer id;
 
     /**
      * 
      */
-    @TableField(value = "session_id")
-    private Integer sessionId;
+    @TableField(value = "session_num")
+    private String sessionNum;
 
     /**
      * 学习内容的描述
diff --git a/src/main/java/com/guo/learningprogresstracker/mapStruct/FragmentsConvert.java b/src/main/java/com/guo/learningprogresstracker/mapStruct/FragmentsConvert.java
new file mode 100644
index 0000000..896b723
--- /dev/null
+++ b/src/main/java/com/guo/learningprogresstracker/mapStruct/FragmentsConvert.java
@@ -0,0 +1,14 @@
+package com.guo.learningprogresstracker.mapStruct;
+
+import com.guo.learningprogresstracker.dto.request.CreateFragmentsRequest;
+import com.guo.learningprogresstracker.entity.StudyReportFragmentsEntity;
+import org.mapstruct.Mapper;
+import org.mapstruct.ReportingPolicy;
+import org.mapstruct.factory.Mappers;
+
+@Mapper(componentModel = "spring",unmappedTargetPolicy = ReportingPolicy.IGNORE)
+public interface FragmentsConvert {
+    FragmentsConvert MAPPER = Mappers.getMapper(FragmentsConvert.class);
+
+    StudyReportFragmentsEntity toFragmentsEntity(CreateFragmentsRequest request);
+}
diff --git a/src/main/java/com/guo/learningprogresstracker/service/StudyReportFragmentsService.java b/src/main/java/com/guo/learningprogresstracker/service/StudyReportFragmentsService.java
index f81d3fc..6e9b5f8 100644
--- a/src/main/java/com/guo/learningprogresstracker/service/StudyReportFragmentsService.java
+++ b/src/main/java/com/guo/learningprogresstracker/service/StudyReportFragmentsService.java
@@ -1,7 +1,9 @@
 package com.guo.learningprogresstracker.service;
 
+import com.guo.learningprogresstracker.dto.request.CreateFragmentsRequest;
 import com.guo.learningprogresstracker.entity.StudyReportFragmentsEntity;
 import com.baomidou.mybatisplus.extension.service.IService;
+import com.guo.learningprogresstracker.exception.NotFindEntitiesException;
 
 /**
 * @author guo
@@ -10,4 +12,5 @@ import com.baomidou.mybatisplus.extension.service.IService;
 */
 public interface StudyReportFragmentsService extends IService<StudyReportFragmentsEntity> {
 
+    void createFragments(CreateFragmentsRequest request) throws NotFindEntitiesException;
 }
diff --git a/src/main/java/com/guo/learningprogresstracker/service/impl/StudyReportFragmentsServiceImpl.java b/src/main/java/com/guo/learningprogresstracker/service/impl/StudyReportFragmentsServiceImpl.java
index dd9cc26..5bc0c9e 100644
--- a/src/main/java/com/guo/learningprogresstracker/service/impl/StudyReportFragmentsServiceImpl.java
+++ b/src/main/java/com/guo/learningprogresstracker/service/impl/StudyReportFragmentsServiceImpl.java
@@ -1,7 +1,12 @@
 package com.guo.learningprogresstracker.service.impl;
 
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.guo.learningprogresstracker.dto.request.CreateFragmentsRequest;
 import com.guo.learningprogresstracker.entity.StudyReportFragmentsEntity;
+import com.guo.learningprogresstracker.entity.StudySessionsEntity;
+import com.guo.learningprogresstracker.exception.NotFindEntitiesException;
+import com.guo.learningprogresstracker.mapStruct.FragmentsConvert;
 import com.guo.learningprogresstracker.service.StudyReportFragmentsService;
 import com.guo.learningprogresstracker.mapper.StudyReportFragmentsMapper;
 import org.springframework.stereotype.Service;
@@ -15,6 +20,22 @@ import org.springframework.stereotype.Service;
 public class StudyReportFragmentsServiceImpl extends ServiceImpl<StudyReportFragmentsMapper, StudyReportFragmentsEntity>
     implements StudyReportFragmentsService{
 
+    private final StudySessionsServiceImpl studySessionsServiceImpl;
+
+    public StudyReportFragmentsServiceImpl(StudySessionsServiceImpl studySessionsServiceImpl) {
+        this.studySessionsServiceImpl = studySessionsServiceImpl;
+    }
+
+    @Override
+    public void createFragments(CreateFragmentsRequest request) throws NotFindEntitiesException {
+        StudyReportFragmentsEntity entity = FragmentsConvert.MAPPER.toFragmentsEntity(request);
+        if (studySessionsServiceImpl.exists(Wrappers.lambdaQuery(StudySessionsEntity.class)
+                .eq(StudySessionsEntity::getSessionNum,entity.getSessionNum()))) {
+            this.save(entity);
+        }else {
+            throw new NotFindEntitiesException(String.format("未能找到学习会话sessionNum[%s]",entity.getSessionNum()));
+        }
+    }
 }