diff --git a/src/main/java/au/com/royalpay/payment/manage/appclient/beans/RetailLoginInfo.java b/src/main/java/au/com/royalpay/payment/manage/appclient/beans/RetailLoginInfo.java
index 2effee641..4f4de900c 100644
--- a/src/main/java/au/com/royalpay/payment/manage/appclient/beans/RetailLoginInfo.java
+++ b/src/main/java/au/com/royalpay/payment/manage/appclient/beans/RetailLoginInfo.java
@@ -69,4 +69,15 @@ public class RetailLoginInfo {
     public void setDevId(String devId) {
         this.devId = devId;
     }
+
+    @Override
+    public String toString() {
+        return "RetailLoginInfo{" +
+                "loginId='" + loginId + '\'' +
+                ", password='" + password + '\'' +
+                ", verifyCode='" + verifyCode + '\'' +
+                ", captchaKey='" + captchaKey + '\'' +
+                ", devId='" + devId + '\'' +
+                '}';
+    }
 }
diff --git a/src/main/java/au/com/royalpay/payment/manage/appclient/web/RetailValidationController.java b/src/main/java/au/com/royalpay/payment/manage/appclient/web/RetailValidationController.java
index 5194f557a..2c565e2cb 100644
--- a/src/main/java/au/com/royalpay/payment/manage/appclient/web/RetailValidationController.java
+++ b/src/main/java/au/com/royalpay/payment/manage/appclient/web/RetailValidationController.java
@@ -12,6 +12,8 @@ import com.alibaba.fastjson.JSONObject;
 import com.google.code.kaptcha.Producer;
 import org.apache.commons.codec.binary.Base64;
 import org.apache.commons.lang3.RandomStringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.validation.Errors;
 import org.springframework.web.bind.annotation.*;
 
@@ -28,6 +30,7 @@ import java.io.IOException;
 @RestController
 @RequestMapping("/api/v1.0/retail_valid")
 public class RetailValidationController {
+    Logger logger  = LoggerFactory.getLogger(getClass());
     @Resource
     private Producer captchaProducer;
     @Resource
@@ -47,6 +50,7 @@ public class RetailValidationController {
         HttpUtils.handleValidErrors(errors);
         String codeValue = signInStatusManager.getVerifyCode(loginInfo.getCaptchaKey());
         if (codeValue == null) {
+            logger.error("异常商户信息：" + loginInfo.toString());
             throw new BadRequestException("Verification code has expired");
         }
         if (!codeValue.equals(loginInfo.getVerifyCode())) {