diff --git a/README.md b/README.md
index c3cc53f8..69ba11af 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ This SDK is built upon [Authing Management API(v3)](https://api.authing.cn/opena
   <dependency>
       <groupId>cn.authing</groupId>
       <artifactId>authing-java-sdk</artifactId>
-      <version>3.1.15</version>
+      <version>3.1.16</version>
   </dependency>
 ```
 
diff --git a/pom.xml b/pom.xml
index beea40db..b0c3be77 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>cn.authing</groupId>
     <artifactId>authing-java-sdk</artifactId>
-    <version>3.1.15</version>
+    <version>3.1.16</version>
 
     <name>Authing Java SDK</name>
     <description>java backend sdk for authing</description>
diff --git a/src/main/java/cn/authing/sdk/java/dto/LinkIdentityDto.java b/src/main/java/cn/authing/sdk/java/dto/LinkIdentityDto.java
index b0028399..5de56d9e 100644
--- a/src/main/java/cn/authing/sdk/java/dto/LinkIdentityDto.java
+++ b/src/main/java/cn/authing/sdk/java/dto/LinkIdentityDto.java
@@ -1,6 +1,8 @@
 package cn.authing.sdk.java.dto;
 
 import java.util.List;
+import java.util.Map;
+
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 
@@ -10,6 +12,11 @@ public class LinkIdentityDto {
      */
     @JsonProperty("userIdInIdp")
     private String userIdInIdp;
+    /**
+     * 可选，用户在该外部身份源的用户信息。
+     */
+    @JsonProperty("userInfoInIdp")
+    private Map<String, Object> userInfoInIdp;
     /**
      * 必传，进行绑定操作的 Authing 用户 ID。
      */
@@ -38,6 +45,14 @@ public void setUserIdInIdp(String userIdInIdp) {
         this.userIdInIdp = userIdInIdp;
     }
 
+    public Map<String, Object> getUserInfoInIdp() {
+        return userInfoInIdp;
+    }
+
+    public void setUserInfoInIdp(Map<String, Object> userInfoInIdp) {
+        this.userInfoInIdp = userInfoInIdp;
+    }
+
     public String getUserId() {
         return userId;
     }