diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/CourseController.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/CourseController.java
index 494d6a6..a27c6a1 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/CourseController.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/CourseController.java
@@ -11,21 +11,14 @@ import com.lyms.platform.operate.web.request.CourseRequest;
 import com.lyms.platform.pojo.CourseEvaluateModel;
 import com.lyms.platform.pojo.MsgModel;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.data.mongodb.core.MongoTemplate;
 
-import org.springframework.data.mongodb.gridfs.GridFsOperations;
-import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
-import org.bson.types.ObjectId;
 import javax.servlet.http.HttpServletRequest;
-import javax.swing.text.Document;
 import java.io.File;
 import java.io.IOException;
-import java.io.InputStream;
-import org.springframework.http.ResponseEntity;
-import org.springframework.web.servlet.mvc.support.RedirectAttributes;
+
 
 
 /**
diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/CourseFacade.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/CourseFacade.java
index 26f5a7d..369451c 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/CourseFacade.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/CourseFacade.java
@@ -1228,9 +1228,10 @@ public class CourseFacade {
             if (parentId!=null){
                 String readCount = model.getReadCount();
                 //判断此条信息有没有值
-                if (readCount==null){
+                if (readCount==null || readCount==""){
                     //如果没有值，直接添加数据
                     model.setReadCount(parentId);
+                    model.setReadNum(1);
                     courseEvalService.updateMsgReadCount(model);
                 }else{
                     // 判断 parentId 是否存在于 readCount 中
@@ -1240,18 +1241,18 @@ public class CourseFacade {
                         readCount += "," + parentId;
                         model.setReadCount(readCount);
 
+                        int commaCount = readCount.split(",").length-1;
                         // 统计逗号数量，用于计算字段数量
-                        int commaCount = 0;
-                        for (int i = 0; i < readCount.length(); i++) {
-                            if (readCount.charAt(i) == ',') {
-                                commaCount++;
-                            }
-                        }
+                        //int commaCount = 0;
+                        //for (int i = 0; i < readCount.length(); i++) {
+                        //    if (readCount.charAt(i) == ',') {
+                        //        commaCount++;
+                        //    }
+                        //}
 
                         // 计算字段数量
-                        int fieldCount = commaCount + 1;
-                        model.setReadNum(fieldCount);
-
+                        //int fieldCount = commaCount + 1;
+                        model.setReadNum(commaCount+1);
                         // 更新消息阅读量
                         courseEvalService.updateMsgReadCount(model);
                     }
@@ -1270,25 +1271,18 @@ public class CourseFacade {
         msgQuery.setYn(YnEnums.YES.getId());
         msgQuery.setNeed("true");
         List<MsgModel> models = courseEvalService.queryMsgList(msgQuery);
-        // 初始化计数器
-        int userIdCount = 0;
-        // 遍历 models 列表
+// 初始化计数器
+        int notContainCount = 0;
+// 遍历 models 列表
         for (MsgModel model : models) {
             // 获取当前消息的 readCount
             String readCount = model.getReadCount();
-            // 检查 readCount 是否包含当前登录人的 ID
-            if (readCount != null && readCount.contains(parentId)) {
-                return "该消息已经看过了";
-            }else if (readCount != null){
-                // 使用正则表达式将 readCount 拆分为多个 ID，并计算包含当前登录人 ID 的数量
-                String[] ids = readCount.split(",");
-                for (String id : ids) {
-                    if (id.equals(parentId)) {
-                        userIdCount++;
-                    }
-                }
+            // 检查 readCount 是否为空，或者是否不包含当前登录人的 ID
+            if (readCount == null || !readCount.contains(parentId)) {
+                // readCount 为空，或者不包含当前登录人的 ID，则增加计数器
+                notContainCount++;
             }
         }
-        return String.valueOf(userIdCount);
+        return String.valueOf(notContainCount);
     }
 }
\ No newline at end of file