diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/QuestionOptionUpdateDTO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/QuestionOptionUpdateDTO.java
index 7a99ab59..069aa9a5 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/QuestionOptionUpdateDTO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/QuestionOptionUpdateDTO.java
@@ -17,7 +17,7 @@ public class QuestionOptionUpdateDTO implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    @ApiModelProperty(value = "选项ID（为空则新增）")
+    @ApiModelProperty(value = "选项ID（为空则新增）", hidden = true)
     private Long id;
 
     @ApiModelProperty(value = "是否正确答案 true 是,false 不是", required = true)
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/PaperPageVO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/PaperPageVO.java
index 08d04710..e05af615 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/PaperPageVO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/PaperPageVO.java
@@ -1,6 +1,8 @@
 package org.qinan.cedu.model.vo;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
@@ -16,6 +18,7 @@ import java.time.LocalDateTime;
 public class PaperPageVO {
 
     @ApiModelProperty("试卷id")
+    @JsonSerialize(using = ToStringSerializer.class)
     private Long id;
 
     @ApiModelProperty("试卷名称")
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/PaperQuestionVO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/PaperQuestionVO.java
index 2b2c43af..c056059a 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/PaperQuestionVO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/PaperQuestionVO.java
@@ -1,5 +1,7 @@
 package org.qinan.cedu.model.vo;
 
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
@@ -14,6 +16,7 @@ import java.math.BigDecimal;
 public class PaperQuestionVO {
 
     @ApiModelProperty("试题id")
+    @JsonSerialize(using = ToStringSerializer.class)
     private Long id;
 
     @ApiModelProperty("题干")
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/QuestionVO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/QuestionVO.java
index 61fc7eb8..17713449 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/QuestionVO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/QuestionVO.java
@@ -2,6 +2,8 @@
 package org.qinan.cedu.model.vo;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
@@ -19,6 +21,7 @@ import java.util.List;
 public class QuestionVO {
 
     @ApiModelProperty("主键")
+    @JsonSerialize(using = ToStringSerializer.class)
     private String id;
 
     @ApiModelProperty("创建时间")
@@ -51,6 +54,7 @@ public class QuestionVO {
     private String tagType;
 
     @ApiModelProperty("关联课件管理id")
+    @JsonSerialize(using = ToStringSerializer.class)
     private Long coursewareManagementId;
 
     @ApiModelProperty("关联课件管理名称")