fix params

pom.xml

@@ -9,7 +9,7 @@
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>manage</artifactId>
-    <version>1.3.36</version>
+    <version>1.3.37</version>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <jib-maven-plugin.version>1.4.0</jib-maven-plugin.version>

src/main/java/au/com/royalpay/payment/manage/appclient/core/impls/RetailRSvcServiceImpl.java

@@ -82,7 +82,7 @@ public class RetailRSvcServiceImpl implements RetailRSvcService {
                 throw new BadRequestException("this channel config is wrong");
             }
             String signa = params.getString("sign");
-            params.remove(signa);
+            params.remove("sign");
             params = JSONObject.parseObject(JSON.toJSONString(params), Feature.OrderedField);
             boolean checkSign = SignUtils.validSign(params.toJSONString(), signa, svcInfo.getString("channel_pub_key"));
             if (!checkSign) {