[bugfix]query phone num may cause messy code

Change-Id: I36f1da4399f6973ba5f7d28c7a7229926fbe99c8
diff --git a/lib/liblynq-sim/src/lynq_sim.cpp b/lib/liblynq-sim/src/lynq_sim.cpp
index e7de7a7..eccd8e9 100755
--- a/lib/liblynq-sim/src/lynq_sim.cpp
+++ b/lib/liblynq-sim/src/lynq_sim.cpp
@@ -577,7 +577,7 @@
     int num = -1;
     if(p.dataAvail() > 0)
     {   
-        char test[30] = {0};
+        char test[128] = {0};
         char *argv[5] = {0};
         p.readInt32(&resp_type);
         p.readInt32(&request);