Fix exception parsing redis command "set a 1010 px 1000" (#862)

diff --git a/src/main/java/org/apache/rocketmq/connect/redis/parser/SetParser.java b/src/main/java/org/apache/rocketmq/connect/redis/parser/SetParser.java
index 4165cc2..c0afe71 100644
--- a/src/main/java/org/apache/rocketmq/connect/redis/parser/SetParser.java
+++ b/src/main/java/org/apache/rocketmq/connect/redis/parser/SetParser.java
@@ -41,7 +41,7 @@
         builder.value(args[0]);
         int idx = 1;
         while (idx < args.length){
-            String param = toRune(args[idx++]);
+            String param = args[idx++];
             if (isEquals(param, RedisConstants.NX)) {
                 builder.param(Options.REDIS_NX, Boolean.TRUE);
             } else if (isEquals(param, RedisConstants.XX)) {