diff --git a/modules/i3plus-pojo-model/pom.xml b/modules/i3plus-pojo-model/pom.xml
index 1e3ee60..abb7244 100644
--- a/modules/i3plus-pojo-model/pom.xml
+++ b/modules/i3plus-pojo-model/pom.xml
@@ -14,6 +14,10 @@
     <packaging>jar</packaging>
 
     <dependencies>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+        </dependency>
     </dependencies>
 
 
diff --git a/modules/i3plus-pojo-model/src/main/java/cn/estsh/i3plus/pojo/model/base/BaseBean.java b/modules/i3plus-pojo-model/src/main/java/cn/estsh/i3plus/pojo/model/base/BaseBean.java
index 7dc4fad..e97af96 100644
--- a/modules/i3plus-pojo-model/src/main/java/cn/estsh/i3plus/pojo/model/base/BaseBean.java
+++ b/modules/i3plus-pojo-model/src/main/java/cn/estsh/i3plus/pojo/model/base/BaseBean.java
@@ -1,6 +1,9 @@
 package cn.estsh.i3plus.pojo.model.base;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import io.swagger.annotations.ApiParam;
 import lombok.Data;
 import org.hibernate.annotations.GenericGenerator;
@@ -20,6 +23,7 @@ import java.util.Date;
 @Entity
 //以子类table为准
 @javax.persistence.Inheritance(strategy=InheritanceType.TABLE_PER_CLASS)
+@JsonInclude(value = JsonInclude.Include.NON_EMPTY) //""或null属性不参加序列转换
 public abstract class BaseBean implements Serializable {
 
     private static final long serialVersionUID = 1L;
@@ -31,6 +35,8 @@ public abstract class BaseBean implements Serializable {
     @GenericGenerator(name = "IDGenerator", strategy = "assigned")
     @Column(name="id")
     @ApiParam(value = "主键",example = "0")
+    //将Long类型系列化成String避免精度丢失
+    @JsonSerialize(using = ToStringSerializer.class)
     public Long id;
     //get单独处理
     public Long getId() {
diff --git a/pom.xml b/pom.xml
index f35861f..7304809 100644
--- a/pom.xml
+++ b/pom.xml
@@ -85,6 +85,13 @@
                 <version>${project.version}</version>
             </dependency>
 
+            <!-- spring-json转换 -->
+            <dependency>
+                <groupId>com.fasterxml.jackson.core</groupId>
+                <artifactId>jackson-databind</artifactId>
+                <version>2.9.6</version>
+                <scope>compile</scope>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
@@ -118,8 +125,4 @@
         </snapshotRepository>
     </distributionManagement>
 
-
-
-
-
 </project>
\ No newline at end of file