diff --git a/seqdata-cloud-authz/src/main/java/cn/seqdata/oauth2/controller/WxAppController.java b/seqdata-cloud-authz/src/main/java/cn/seqdata/oauth2/controller/WxAppController.java
index 3ae9608ef088a1b572a07b680ec3b6c73b668cda..03e6d69f3b49a8c496c230a1ce93463f32b2f0af 100644
--- a/seqdata-cloud-authz/src/main/java/cn/seqdata/oauth2/controller/WxAppController.java
+++ b/seqdata-cloud-authz/src/main/java/cn/seqdata/oauth2/controller/WxAppController.java
@@ -5,6 +5,7 @@ import java.security.Principal;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Optional;
+import lombok.AllArgsConstructor;
 
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
@@ -29,7 +30,6 @@ import cn.seqdata.wxapp.message.UrlLinkRequest;
 import cn.seqdata.wxapp.pojo.PhoneInfo;
 import cn.seqdata.wxapp.pojo.UserInfo;
 import cn.seqdata.wxapp.util.WxAppUtils;
-import lombok.AllArgsConstructor;
 
 /**
  * @author jrxian
@@ -164,6 +164,13 @@ public class WxAppController {
 		return wxappService.urlLink(id, request);
 	}
 
+	@ApiOperation("获取小程序 openId")
+	@PostMapping("/openid")
+	public String openid(@PathVariable("id") String id, String code) {
+		Code2SessionResponse response = wxappService.signin(id, code);
+		return response.openid;
+	}
+
 	private Map<String, Object> attributes(String id, String code, String iv, String encryptedData) throws IOException {
 		Code2SessionResponse response = wxappService.signin(id, code);
 		String decryptedData = WxAppUtils.decryptData(response.session_key, iv, encryptedData);