修改

zzjs-service/src/main/java/com/miaxis/teachingVideo/dto/TeachingVideoInfoDto.java

@@ -23,7 +23,7 @@ public class TeachingVideoInfoDto implements Serializable {
     @ApiModelProperty(value = "视频文件id")
     private String videoFileId;
 
-    @ApiModelProperty(value = "视频文件id")
+    @ApiModelProperty(value = "封面文件id")
     private String coverFileId;
 
     @ApiModelProperty(value = "视频标题")