diff --git a/lib/java110/java110Request.js b/lib/java110/java110Request.js
index 88c9a18..db01ade 100644
--- a/lib/java110/java110Request.js
+++ b/lib/java110/java110Request.js
@@ -74,6 +74,9 @@ export function createSign(_reqObj) {
 		if (reqInfo.endsWith('&')) {
 			reqInfo = reqInfo.substr(0, reqInfo.length - 1);
 		}
+		if (reqInfo.endsWith('?')) {
+			reqInfo = reqInfo.substr(0, reqInfo.length - 1);
+		}
 	} else {
 		if (typeof _reqObj.data === "object") {
 			reqInfo += JSON.stringify(_reqObj.data);