diff --git a/src/pika_server.cc b/src/pika_server.cc
index 7614e9924f..fb82849854 100644
--- a/src/pika_server.cc
+++ b/src/pika_server.cc
@@ -1688,9 +1688,10 @@ void PikaServer::RWUnlock() {
 }
 
 void PikaServer::UpdateQueryNumAndExecCountTable(const std::string& command) {
+  std::string cmd(command);
   statistic_data_.statistic_lock.WriteLock();
   statistic_data_.thread_querynum++;
-  statistic_data_.exec_count_table[command]++;
+  statistic_data_.exec_count_table[slash::StringToUpper(cmd)]++;
   statistic_data_.statistic_lock.WriteUnlock();
 }
 
diff --git a/third/slash b/third/slash
index 915ef5de35..57823f23d5 160000
--- a/third/slash
+++ b/third/slash
@@ -1 +1 @@
-Subproject commit 915ef5de3543596cfaef4966559e555081137cf4
+Subproject commit 57823f23d5adfe2de469329d9b7df14851988f3d