diff --git a/src/query/command3.cpp b/src/query/command3.cpp
index 624d034..e297fcf 100644
--- a/src/query/command3.cpp
+++ b/src/query/command3.cpp
@@ -31,7 +31,7 @@ bool command_parser::parse(bool command) {
         if(findex == std::string::npos)
             findex = this->_command.size();
 
-        auto& bulk = this->_bulks.emplace_back(this->_bulks.size() - 1, this->data.substr(index, findex - index));
+        this->_bulks.emplace_back(this->_bulks.size() - 1, this->data.substr(index, findex - index));
         index = findex + 1;
     }
     return true;
diff --git a/src/query/command3.h b/src/query/command3.h
index 312ddea..3812cde 100644
--- a/src/query/command3.h
+++ b/src/query/command3.h
@@ -198,6 +198,10 @@ namespace ts {
                 this->impl_put_unchecked(this->bulks[index], index, key, value);
             }
 
+            inline void put_unchecked(size_t index, const std::string_view& key, const std::string& value) {
+                this->put_unchecked(index, key, std::string_view{value});
+            }
+
             template <typename T, std::enable_if_t<!(std::is_same<T, std::string_view>::value || std::is_same<T, std::string>::value), int> = 1>
             inline void put_unchecked(size_t index, const std::string_view& key, const T& value) {
                 static_assert(converter<T>::supported, "Target type isn't supported!");