修改

src/main/java/com/llisoft/pay/controller/AliPayController.java

@@ -15,7 +15,6 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.ResponseBody;
 
 import com.llisoft.pay.service.AliPayService;
-import com.llisoft.pay.util.JsonUtil;
 
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
@@ -35,7 +34,7 @@ public class AliPayController {
 	@GetMapping("/return")
 	public String retur(HttpServletRequest request) throws Exception {
 		Map<String, String> resultMap = this.getParamMap(request);
-		logger.info("收到支付宝同步回调: {}", JsonUtil.toJson(resultMap));
+		logger.info("收到支付宝同步回调: {}", resultMap);
 		return aliPayService.doReturn(resultMap);
 	}
 	

src/main/java/com/llisoft/pay/service/AliPayService.java

@@ -215,7 +215,7 @@ public class AliPayService {
 	private boolean checkSign(Map<String, String> map) {
 		boolean result = false;
 		try {
-			result = AlipaySignature.rsaCheckV2(map, publicKey, charset, signType);
+			result = AlipaySignature.rsaCheckV2(map, privateKey, charset, signType);
 		} catch (AlipayApiException exception) {
 			logger.error("支付宝签名验证异常: {}", exception);
 		}