diff --git a/mall-pay/src/main/java/com/suisung/mall/pay/controller/mobile/LakalaController.java b/mall-pay/src/main/java/com/suisung/mall/pay/controller/mobile/LakalaController.java
index ab03ed37..78677a63 100644
--- a/mall-pay/src/main/java/com/suisung/mall/pay/controller/mobile/LakalaController.java
+++ b/mall-pay/src/main/java/com/suisung/mall/pay/controller/mobile/LakalaController.java
@@ -19,6 +19,7 @@ import org.springframework.web.multipart.MultipartFile;
 import org.springframework.util.Base64Utils;
 
 import javax.annotation.Resource;
+import javax.servlet.http.HttpServletRequest;
 import java.io.IOException;
 
 @Api(tags = "拉卡拉相关接口 - 前端控制器")
@@ -44,8 +45,8 @@ public class LakalaController extends BaseControllerImpl {
 
     @ApiOperation(value = "商户分账业务开通申请异步回调回调", notes = "商户分账业务开通申请异步回调回调")
     @RequestMapping(value = "/ledger/applyLedgerMerNotify", method = RequestMethod.POST)
-    public JSONObject ledgerApplyLedgerMerNotify(@RequestBody JSONObject paramsJSON) {
-        return lakalaPayService.applyLedgerMerNotify(paramsJSON);
+    public JSONObject ledgerApplyLedgerMerNotify(HttpServletRequest request) {
+        return lakalaPayService.applyLedgerMerNotify(request);
     }
 
     @ApiOperation(value = "分账接收方创建申请", notes = "分账接收方创建申请")
@@ -62,7 +63,7 @@ public class LakalaController extends BaseControllerImpl {
 
     @ApiOperation(value = "分账关系绑定申请异步回调通知", notes = "分账关系绑定申请异步回调通知")
     @RequestMapping(value = "/ledger/applyBindNotify", method = RequestMethod.POST)
-    public JSONObject applyBindNotify(@RequestBody JSONObject paramsJSON) {
-        return lakalaPayService.applyLedgerMerReceiverBindNotify(paramsJSON);
+    public JSONObject applyBindNotify(HttpServletRequest request) {
+        return lakalaPayService.applyLedgerMerReceiverBindNotify(request);
     }
 }
diff --git a/mall-pay/src/main/java/com/suisung/mall/pay/service/LakalaPayService.java b/mall-pay/src/main/java/com/suisung/mall/pay/service/LakalaPayService.java
index 9e8798f7..738bc79c 100644
--- a/mall-pay/src/main/java/com/suisung/mall/pay/service/LakalaPayService.java
+++ b/mall-pay/src/main/java/com/suisung/mall/pay/service/LakalaPayService.java
@@ -100,10 +100,10 @@ public interface LakalaPayService {
      * 商户分账业务开通申请回调
      * 参考：https://o.lakala.com/#/home/document/detail?id=379
      *
-     * @param paramsJSON
+     * @param request
      * @return
      */
-    JSONObject applyLedgerMerNotify(JSONObject paramsJSON);
+    JSONObject applyLedgerMerNotify(HttpServletRequest request);
 
     /**
      * 分账接收方创建申请
@@ -129,10 +129,10 @@ public interface LakalaPayService {
      * 分账关系绑定申请回调
      * 参考：https://o.lakala.com/#/home/document/detail?id=379
      *
-     * @param paramsJSON
+     * @param request
      * @return
      */
-    JSONObject applyLedgerMerReceiverBindNotify(JSONObject paramsJSON);
+    JSONObject applyLedgerMerReceiverBindNotify(HttpServletRequest request);
 
 
 }
diff --git a/mall-pay/src/main/java/com/suisung/mall/pay/service/impl/LakalaPayServiceImpl.java b/mall-pay/src/main/java/com/suisung/mall/pay/service/impl/LakalaPayServiceImpl.java
index 27da196e..8f811241 100644
--- a/mall-pay/src/main/java/com/suisung/mall/pay/service/impl/LakalaPayServiceImpl.java
+++ b/mall-pay/src/main/java/com/suisung/mall/pay/service/impl/LakalaPayServiceImpl.java
@@ -65,6 +65,8 @@ public class LakalaPayServiceImpl implements LakalaPayService {
     private String priKeyPath; //商户私钥信息地址
     @Value("${lakala.lkl_platform_cer_path}")
     private String lklCerPath; //拉卡拉支付平台证书地址
+    @Value("${lakala.api_cert_path}")
+    private String apiCertPath;
     @Value("${lakala.lkl_platform_cer_path}")
     private String lklNotifyCerPath; //拉卡拉支付平台证书地址2(用于拉卡拉通知验签)
     @Value("${lakala.org_code}")
@@ -465,12 +467,21 @@ public class LakalaPayServiceImpl implements LakalaPayService {
      * 商户分账业务开通申请回调
      * 参考：https://o.lakala.com/#/home/document/detail?id=379
      *
-     * @param paramsJSON
+     * @param request
      * @return
      */
     @Override
-    public JSONObject applyLedgerMerNotify(JSONObject paramsJSON) {
-        // TODO 验签
+    public JSONObject applyLedgerMerNotify(HttpServletRequest request) {
+        // 验签
+        String authorization = request.getHeader("Authorization");
+        String requestBody = LakalaUtil.getBody(request);
+
+        boolean checkSuccess =  LakalaUtil.verify(authorization, requestBody, lklNotifyCerPath);
+        if (!checkSuccess) {
+            return JSONUtil.createObj().set("retCode", "OP90002").set("retMsg", "验签失败！");
+        }
+
+        JSONObject paramsJSON = JSONUtil.parseObj(requestBody);
 
         JSONObject respData = new JSONObject();
         respData.put("retCode", "OP90003");
@@ -668,12 +679,23 @@ public class LakalaPayServiceImpl implements LakalaPayService {
      * 分账关系绑定申请回调
      * 参考：https://o.lakala.com/#/home/document/detail?id=379
      *
-     * @param paramsJSON
+     * @param request
      * @return
      */
     @Override
-    public JSONObject applyLedgerMerReceiverBindNotify(JSONObject paramsJSON) {
-        // TODO 验签
+    public JSONObject applyLedgerMerReceiverBindNotify(HttpServletRequest request) {
+        // 验签
+        String authorization = request.getHeader("Authorization");
+        String requestBody = LakalaUtil.getBody(request);
+
+        boolean checkSuccess =  LakalaUtil.verify(authorization, requestBody, lklNotifyCerPath);
+        if (!checkSuccess) {
+            return JSONUtil.createObj().set("retCode", "OP90002").set("retMsg", "验签失败！");
+        }
+
+//        String requestBody = LakalaUtil.getBody(request);
+
+        JSONObject paramsJSON = JSONUtil.parseObj(requestBody);
         JSONObject respData = new JSONObject();
         respData.put("retCode", "OP90003");
         respData.put("retMsg", "响应处理失败！");
diff --git a/mall-pay/src/main/java/com/suisung/mall/pay/utils/LakalaUtil.java b/mall-pay/src/main/java/com/suisung/mall/pay/utils/LakalaUtil.java
index 34378e44..0347ebb3 100644
--- a/mall-pay/src/main/java/com/suisung/mall/pay/utils/LakalaUtil.java
+++ b/mall-pay/src/main/java/com/suisung/mall/pay/utils/LakalaUtil.java
@@ -8,16 +8,15 @@
 
 package com.suisung.mall.pay.utils;
 
+import cn.hutool.core.util.StrUtil;
 import com.lkl.laop.sdk.Config2;
 import com.lkl.laop.sdk.LKLSDK;
+import com.lkl.laop.sdk.auth.PrivateKeySigner;
 import com.suisung.mall.common.exception.ApiException;
 import com.suisung.mall.common.utils.I18nUtil;
-import com.wechat.pay.java.service.payments.nativepay.NativePayService;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.codec.binary.Base64;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.core.io.ClassPathResource;
-import org.springframework.stereotype.Component;
 
 import javax.servlet.http.HttpServletRequest;
 import java.io.BufferedReader;
@@ -118,8 +117,8 @@ public class LakalaUtil {
         try {
             CertificateFactory cf = CertificateFactory.getInstance("X509");
             X509Certificate cert = (X509Certificate) cf.generateCertificate(inputStream);
-            String publicKeyBase64 = Base64.encodeBase64String(cert.getPublicKey().getEncoded());
-            System.out.println(publicKeyBase64);
+//            String publicKeyBase64 = Base64.encodeBase64String(cert.getPublicKey().getEncoded());
+//            System.out.println(publicKeyBase64);
             cert.checkValidity();
             return cert;
         } catch (CertificateExpiredException e) {
@@ -156,6 +155,46 @@ public class LakalaUtil {
         }
     }
 
+
+    /**
+     * 签名校验
+     * @param authorization
+     * @param reqBody
+     * @param lklNotifyCerPath
+     * @return
+     */
+    public static boolean verify(String authorization, String reqBody, String lklNotifyCerPath) {
+        try {
+            log.debug("拉卡拉 Authorization 内容：{}", authorization);
+            Map<String, String> headerMap = getLakalaAuthorizationMap(authorization);
+            String timestamp = headerMap.get("timestamp");
+            String nonceStr = headerMap.get("nonce_str");
+            String signature = headerMap.get("signature");
+
+            X509Certificate lklNotifyCer = loadCertificate(new ClassPathResource(lklNotifyCerPath).getInputStream());
+            if (StrUtil.isBlank(timestamp) || StrUtil.isBlank(nonceStr) || StrUtil.isBlank(signature) || lklNotifyCer == null) {
+                return false;
+            }
+
+            StringBuilder preSignData = new StringBuilder();
+            preSignData.append(timestamp).append("\n")
+                    .append(nonceStr).append("\n")
+                    .append(reqBody).append("\n");
+            String preSignDataStr = preSignData.toString();
+            log.debug("拉卡拉签名明文内容：{}", preSignDataStr);
+            if (verify(lklNotifyCer, preSignDataStr.getBytes(StandardCharsets.UTF_8), signature)) {
+                log.debug("验签成功");
+                return true;
+            }
+
+            log.debug("验签失败");
+            return false;
+        } catch (Exception e) {
+            log.error("验签发生异常：{}", e);
+            return false;
+        }
+    }
+
     /**
      * 解析请求头中的认证签名等信息
      * 参考：https://o.lakala.com/#/home/document/detail?id=36