diff --git a/drogon_ctl/templates/model_cc.csp b/drogon_ctl/templates/model_cc.csp
index 7e0172b2..3139a8a7 100644
--- a/drogon_ctl/templates/model_cc.csp
+++ b/drogon_ctl/templates/model_cc.csp
@@ -31,7 +31,7 @@ else
 
 <%c++for(auto col:cols){
 %>
-const std::string [[className]]::Cols::{%col._colName%} = "{%col._colName%}";
+const std::string [[className]]::Cols::_{%col._colName%} = "{%col._colName%}";
 <%c++
 }%>
 <%c++if(@@.get<int>("hasPrimaryKey")<=1){%>
@@ -167,33 +167,33 @@ const std::string &[[className]]::getColumnName(size_t index) noexcept(false)
  
             if(!col._isAutoVal)
             {
-                $$<<"void "<<className<<"::set"<<col._colTypeName<<"(const "<<col._colType<<" &"<<col._colValName<<") noexcept\n";
+                $$<<"void "<<className<<"::set"<<col._colTypeName<<"(const "<<col._colType<<" &p"<<col._colTypeName<<") noexcept\n";
                 $$<<"{\n";
                 if(col._colDatabaseType=="date")
                 {
-                    $$<<"    _"<<col._colValName<<" = std::make_shared<"<<col._colType<<">("<<col._colValName<<".roundDay());\n";
+                    $$<<"    _"<<col._colValName<<" = std::make_shared<"<<col._colType<<">(p"<<col._colTypeName<<".roundDay());\n";
                 }
                 else
                 {
-                    $$<<"    _"<<col._colValName<<" = std::make_shared<"<<col._colType<<">("<<col._colValName<<");\n";
+                    $$<<"    _"<<col._colValName<<" = std::make_shared<"<<col._colType<<">(p"<<col._colTypeName<<");\n";
                 }
                 $$<<"    _dirtyFlag["<<i<<"] = true;\n";
                 $$<<"}\n";
                 
                 if(col._colType=="std::string")
                 {
-                    $$<<"void "<<className<<"::set"<<col._colTypeName<<"("<<col._colType<<" &&"<<col._colValName<<") noexcept\n";
+                    $$<<"void "<<className<<"::set"<<col._colTypeName<<"("<<col._colType<<" &&p"<<col._colTypeName<<") noexcept\n";
                     $$<<"{\n";
-                    $$<<"    _"<<col._colValName<<" = std::make_shared<"<<col._colType<<">(std::move("<<col._colValName<<"));\n";
+                    $$<<"    _"<<col._colValName<<" = std::make_shared<"<<col._colType<<">(std::move(p"<<col._colTypeName<<"));\n";
                     $$<<"    _dirtyFlag["<<i<<"] = true;\n";
                     $$<<"}\n";
                 }
 
                 if(col._colType=="std::vector<char>")
                 {
-                    $$<<"void "<<className<<"::set"<<col._colTypeName<<"(const std::string &"<<col._colValName<<") noexcept\n";
+                    $$<<"void "<<className<<"::set"<<col._colTypeName<<"(const std::string &p"<<col._colTypeName<<") noexcept\n";
                     $$<<"{\n";
-                    $$<<"    _"<<col._colValName<<" = std::make_shared<std::vector<char>>("<<col._colValName<<".c_str(),"<<col._colValName<<".c_str()+"<<col._colValName<<".length());\n";
+                    $$<<"    _"<<col._colValName<<" = std::make_shared<std::vector<char>>(p"<<col._colTypeName<<".c_str(),p"<<col._colTypeName<<".c_str()+p"<<col._colTypeName<<".length());\n";
                     $$<<"    _dirtyFlag["<<i<<"] = true;\n";
                     $$<<"}\n";
                 }
diff --git a/drogon_ctl/templates/model_h.csp b/drogon_ctl/templates/model_h.csp
index 01c52ae2..7ef3403d 100644
--- a/drogon_ctl/templates/model_h.csp
+++ b/drogon_ctl/templates/model_h.csp
@@ -46,7 +46,7 @@ class [[className]]
 auto cols=@@.get<std::vector<ColumnInfo>>("columns");
     for(size_t i=0;i<cols.size();i++)
     {
-        $$<<"        static const std::string "<<cols[i]._colName<<";\n";
+        $$<<"        static const std::string _"<<cols[i]._colName<<";\n";
     }
 %>
     };
@@ -89,7 +89,7 @@ auto cols=@@.get<std::vector<ColumnInfo>>("columns");
     [[className]]() = default;
     
 <%c++
-    for(auto col:cols)
+    for(const auto &col:cols)
     {
         $$<<"    /**  For column "<<col._colName<<"  */\n";
         if(!col._colType.empty())
@@ -106,12 +106,12 @@ auto cols=@@.get<std::vector<ColumnInfo>>("columns");
             if(!col._isAutoVal)
             {
             $$<<"    ///Set the value of the column "<<col._colName<<"\n";
-            $$<<"    void set"<<col._colTypeName<<"(const "<<col._colType<<" &"<<col._colValName<<") noexcept;\n";
+            $$<<"    void set"<<col._colTypeName<<"(const "<<col._colType<<" &p"<<col._colTypeName<<") noexcept;\n";
                 if(col._colType=="std::string")
-                    $$<<"    void set"<<col._colTypeName<<"("<<col._colType<<" &&"<<col._colValName<<") noexcept;\n";
+                    $$<<"    void set"<<col._colTypeName<<"("<<col._colType<<" &&p"<<col._colTypeName<<") noexcept;\n";
                 if(col._colType=="std::vector<char>")
                 {
-                    $$<<"    void set"<<col._colTypeName<<"(const std::string &"<<col._colValName<<") noexcept;\n";
+                    $$<<"    void set"<<col._colTypeName<<"(const std::string &p"<<col._colTypeName<<") noexcept;\n";
                 }
             }
         }
diff --git a/orm_lib/src/sqlite3_impl/test/Groups.cc b/orm_lib/src/sqlite3_impl/test/Groups.cc
index 305f199f..e3d714d4 100644
--- a/orm_lib/src/sqlite3_impl/test/Groups.cc
+++ b/orm_lib/src/sqlite3_impl/test/Groups.cc
@@ -12,17 +12,17 @@
 using namespace drogon;
 using namespace drogon_model::sqlite3;
 
-const std::string Groups::Cols::group_id = "group_id";
-const std::string Groups::Cols::group_name = "group_name";
-const std::string Groups::Cols::creater_id = "creater_id";
-const std::string Groups::Cols::create_time = "create_time";
-const std::string Groups::Cols::inviting = "inviting";
-const std::string Groups::Cols::inviting_user_id = "inviting_user_id";
-const std::string Groups::Cols::avatar_id = "avatar_id";
-const std::string Groups::Cols::uuu = "uuu";
-const std::string Groups::Cols::text = "text";
-const std::string Groups::Cols::avatar = "avatar";
-const std::string Groups::Cols::is_default = "is_default";
+const std::string Groups::Cols::_group_id = "group_id";
+const std::string Groups::Cols::_group_name = "group_name";
+const std::string Groups::Cols::_creater_id = "creater_id";
+const std::string Groups::Cols::_create_time = "create_time";
+const std::string Groups::Cols::_inviting = "inviting";
+const std::string Groups::Cols::_inviting_user_id = "inviting_user_id";
+const std::string Groups::Cols::_avatar_id = "avatar_id";
+const std::string Groups::Cols::_uuu = "uuu";
+const std::string Groups::Cols::_text = "text";
+const std::string Groups::Cols::_avatar = "avatar";
+const std::string Groups::Cols::_is_default = "is_default";
 const std::string Groups::primaryKeyName = "group_id";
 const bool Groups::hasPrimaryKey = true;
 const std::string Groups::tableName = "GROUPS";
@@ -124,14 +124,14 @@ const std::shared_ptr<std::string> &Groups::getGroupName() const noexcept
 {
     return _groupName;
 }
-void Groups::setGroupName(const std::string &groupName) noexcept
+void Groups::setGroupName(const std::string &pGroupName) noexcept
 {
-    _groupName = std::make_shared<std::string>(groupName);
+    _groupName = std::make_shared<std::string>(pGroupName);
     _dirtyFlag[1] = true;
 }
-void Groups::setGroupName(std::string &&groupName) noexcept
+void Groups::setGroupName(std::string &&pGroupName) noexcept
 {
-    _groupName = std::make_shared<std::string>(std::move(groupName));
+    _groupName = std::make_shared<std::string>(std::move(pGroupName));
     _dirtyFlag[1] = true;
 }
 
@@ -146,9 +146,9 @@ const std::shared_ptr<uint64_t> &Groups::getCreaterId() const noexcept
 {
     return _createrId;
 }
-void Groups::setCreaterId(const uint64_t &createrId) noexcept
+void Groups::setCreaterId(const uint64_t &pCreaterId) noexcept
 {
-    _createrId = std::make_shared<uint64_t>(createrId);
+    _createrId = std::make_shared<uint64_t>(pCreaterId);
     _dirtyFlag[2] = true;
 }
 
@@ -163,14 +163,14 @@ const std::shared_ptr<std::string> &Groups::getCreateTime() const noexcept
 {
     return _createTime;
 }
-void Groups::setCreateTime(const std::string &createTime) noexcept
+void Groups::setCreateTime(const std::string &pCreateTime) noexcept
 {
-    _createTime = std::make_shared<std::string>(createTime);
+    _createTime = std::make_shared<std::string>(pCreateTime);
     _dirtyFlag[3] = true;
 }
-void Groups::setCreateTime(std::string &&createTime) noexcept
+void Groups::setCreateTime(std::string &&pCreateTime) noexcept
 {
-    _createTime = std::make_shared<std::string>(std::move(createTime));
+    _createTime = std::make_shared<std::string>(std::move(pCreateTime));
     _dirtyFlag[3] = true;
 }
 
@@ -185,9 +185,9 @@ const std::shared_ptr<uint64_t> &Groups::getInviting() const noexcept
 {
     return _inviting;
 }
-void Groups::setInviting(const uint64_t &inviting) noexcept
+void Groups::setInviting(const uint64_t &pInviting) noexcept
 {
-    _inviting = std::make_shared<uint64_t>(inviting);
+    _inviting = std::make_shared<uint64_t>(pInviting);
     _dirtyFlag[4] = true;
 }
 
@@ -202,9 +202,9 @@ const std::shared_ptr<uint64_t> &Groups::getInvitingUserId() const noexcept
 {
     return _invitingUserId;
 }
-void Groups::setInvitingUserId(const uint64_t &invitingUserId) noexcept
+void Groups::setInvitingUserId(const uint64_t &pInvitingUserId) noexcept
 {
-    _invitingUserId = std::make_shared<uint64_t>(invitingUserId);
+    _invitingUserId = std::make_shared<uint64_t>(pInvitingUserId);
     _dirtyFlag[5] = true;
 }
 
@@ -219,14 +219,14 @@ const std::shared_ptr<std::string> &Groups::getAvatarId() const noexcept
 {
     return _avatarId;
 }
-void Groups::setAvatarId(const std::string &avatarId) noexcept
+void Groups::setAvatarId(const std::string &pAvatarId) noexcept
 {
-    _avatarId = std::make_shared<std::string>(avatarId);
+    _avatarId = std::make_shared<std::string>(pAvatarId);
     _dirtyFlag[6] = true;
 }
-void Groups::setAvatarId(std::string &&avatarId) noexcept
+void Groups::setAvatarId(std::string &&pAvatarId) noexcept
 {
-    _avatarId = std::make_shared<std::string>(std::move(avatarId));
+    _avatarId = std::make_shared<std::string>(std::move(pAvatarId));
     _dirtyFlag[6] = true;
 }
 
@@ -241,9 +241,9 @@ const std::shared_ptr<double> &Groups::getUuu() const noexcept
 {
     return _uuu;
 }
-void Groups::setUuu(const double &uuu) noexcept
+void Groups::setUuu(const double &pUuu) noexcept
 {
-    _uuu = std::make_shared<double>(uuu);
+    _uuu = std::make_shared<double>(pUuu);
     _dirtyFlag[7] = true;
 }
 
@@ -258,14 +258,14 @@ const std::shared_ptr<std::string> &Groups::getText() const noexcept
 {
     return _text;
 }
-void Groups::setText(const std::string &text) noexcept
+void Groups::setText(const std::string &pText) noexcept
 {
-    _text = std::make_shared<std::string>(text);
+    _text = std::make_shared<std::string>(pText);
     _dirtyFlag[8] = true;
 }
-void Groups::setText(std::string &&text) noexcept
+void Groups::setText(std::string &&pText) noexcept
 {
-    _text = std::make_shared<std::string>(std::move(text));
+    _text = std::make_shared<std::string>(std::move(pText));
     _dirtyFlag[8] = true;
 }
 
@@ -287,17 +287,17 @@ const std::shared_ptr<std::vector<char>> &Groups::getAvatar() const noexcept
 {
     return _avatar;
 }
-void Groups::setAvatar(const std::vector<char> &avatar) noexcept
+void Groups::setAvatar(const std::vector<char> &pAvatar) noexcept
 {
-    _avatar = std::make_shared<std::vector<char>>(avatar);
+    _avatar = std::make_shared<std::vector<char>>(pAvatar);
     _dirtyFlag[9] = true;
 }
 
-void Groups::setAvatar(const std::string &avatar) noexcept
+void Groups::setAvatar(const std::string &pAvatar) noexcept
 {
     _avatar =
-        std::make_shared<std::vector<char>>(avatar.c_str(),
-                                            avatar.c_str() + avatar.length());
+        std::make_shared<std::vector<char>>(pAvatar.c_str(),
+                                            pAvatar.c_str() + pAvatar.length());
     _dirtyFlag[9] = true;
 }
 
@@ -312,9 +312,9 @@ const std::shared_ptr<bool> &Groups::getIsDefault() const noexcept
 {
     return _isDefault;
 }
-void Groups::setIsDefault(const bool &isDefault) noexcept
+void Groups::setIsDefault(const bool &pIsDefault) noexcept
 {
-    _isDefault = std::make_shared<bool>(isDefault);
+    _isDefault = std::make_shared<bool>(pIsDefault);
     _dirtyFlag[10] = true;
 }
 
diff --git a/orm_lib/src/sqlite3_impl/test/Groups.h b/orm_lib/src/sqlite3_impl/test/Groups.h
index cde2a3c4..b25b74f6 100644
--- a/orm_lib/src/sqlite3_impl/test/Groups.h
+++ b/orm_lib/src/sqlite3_impl/test/Groups.h
@@ -31,17 +31,17 @@ class Groups
   public:
     struct Cols
     {
-        static const std::string group_id;
-        static const std::string group_name;
-        static const std::string creater_id;
-        static const std::string create_time;
-        static const std::string inviting;
-        static const std::string inviting_user_id;
-        static const std::string avatar_id;
-        static const std::string uuu;
-        static const std::string text;
-        static const std::string avatar;
-        static const std::string is_default;
+        static const std::string _group_id;
+        static const std::string _group_name;
+        static const std::string _creater_id;
+        static const std::string _create_time;
+        static const std::string _inviting;
+        static const std::string _inviting_user_id;
+        static const std::string _avatar_id;
+        static const std::string _uuu;
+        static const std::string _text;
+        static const std::string _avatar;
+        static const std::string _is_default;
     };
 
     const static int primaryKeyNumber;
@@ -69,8 +69,8 @@ class Groups
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<std::string> &getGroupName() const noexcept;
     /// Set the value of the column group_name
-    void setGroupName(const std::string &groupName) noexcept;
-    void setGroupName(std::string &&groupName) noexcept;
+    void setGroupName(const std::string &pGroupName) noexcept;
+    void setGroupName(std::string &&pGroupName) noexcept;
 
     /**  For column creater_id  */
     /// Get the value of the column creater_id, returns the default value if the
@@ -80,7 +80,7 @@ class Groups
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<uint64_t> &getCreaterId() const noexcept;
     /// Set the value of the column creater_id
-    void setCreaterId(const uint64_t &createrId) noexcept;
+    void setCreaterId(const uint64_t &pCreaterId) noexcept;
 
     /**  For column create_time  */
     /// Get the value of the column create_time, returns the default value if
@@ -90,8 +90,8 @@ class Groups
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<std::string> &getCreateTime() const noexcept;
     /// Set the value of the column create_time
-    void setCreateTime(const std::string &createTime) noexcept;
-    void setCreateTime(std::string &&createTime) noexcept;
+    void setCreateTime(const std::string &pCreateTime) noexcept;
+    void setCreateTime(std::string &&pCreateTime) noexcept;
 
     /**  For column inviting  */
     /// Get the value of the column inviting, returns the default value if the
@@ -101,7 +101,7 @@ class Groups
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<uint64_t> &getInviting() const noexcept;
     /// Set the value of the column inviting
-    void setInviting(const uint64_t &inviting) noexcept;
+    void setInviting(const uint64_t &pInviting) noexcept;
 
     /**  For column inviting_user_id  */
     /// Get the value of the column inviting_user_id, returns the default value
@@ -111,7 +111,7 @@ class Groups
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<uint64_t> &getInvitingUserId() const noexcept;
     /// Set the value of the column inviting_user_id
-    void setInvitingUserId(const uint64_t &invitingUserId) noexcept;
+    void setInvitingUserId(const uint64_t &pInvitingUserId) noexcept;
 
     /**  For column avatar_id  */
     /// Get the value of the column avatar_id, returns the default value if the
@@ -121,8 +121,8 @@ class Groups
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<std::string> &getAvatarId() const noexcept;
     /// Set the value of the column avatar_id
-    void setAvatarId(const std::string &avatarId) noexcept;
-    void setAvatarId(std::string &&avatarId) noexcept;
+    void setAvatarId(const std::string &pAvatarId) noexcept;
+    void setAvatarId(std::string &&pAvatarId) noexcept;
 
     /**  For column uuu  */
     /// Get the value of the column uuu, returns the default value if the column
@@ -132,7 +132,7 @@ class Groups
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<double> &getUuu() const noexcept;
     /// Set the value of the column uuu
-    void setUuu(const double &uuu) noexcept;
+    void setUuu(const double &pUuu) noexcept;
 
     /**  For column text  */
     /// Get the value of the column text, returns the default value if the
@@ -142,8 +142,8 @@ class Groups
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<std::string> &getText() const noexcept;
     /// Set the value of the column text
-    void setText(const std::string &text) noexcept;
-    void setText(std::string &&text) noexcept;
+    void setText(const std::string &pText) noexcept;
+    void setText(std::string &&pText) noexcept;
 
     /**  For column avatar  */
     /// Get the value of the column avatar, returns the default value if the
@@ -155,8 +155,8 @@ class Groups
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<std::vector<char>> &getAvatar() const noexcept;
     /// Set the value of the column avatar
-    void setAvatar(const std::vector<char> &avatar) noexcept;
-    void setAvatar(const std::string &avatar) noexcept;
+    void setAvatar(const std::vector<char> &pAvatar) noexcept;
+    void setAvatar(const std::string &pAvatar) noexcept;
 
     /**  For column is_default  */
     /// Get the value of the column is_default, returns the default value if the
@@ -166,7 +166,7 @@ class Groups
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<bool> &getIsDefault() const noexcept;
     /// Set the value of the column is_default
-    void setIsDefault(const bool &isDefault) noexcept;
+    void setIsDefault(const bool &pIsDefault) noexcept;
 
     static size_t getColumnNumber() noexcept
     {
@@ -208,6 +208,5 @@ class Groups
     static const std::vector<MetaData> _metaData;
     bool _dirtyFlag[11] = {false};
 };
-
 }  // namespace sqlite3
 }  // namespace drogon_model
diff --git a/orm_lib/tests/Users.cc b/orm_lib/tests/Users.cc
index 2747ff9e..1ad8ccb7 100644
--- a/orm_lib/tests/Users.cc
+++ b/orm_lib/tests/Users.cc
@@ -12,15 +12,15 @@
 using namespace drogon;
 using namespace drogon_model::postgres;
 
-const std::string Users::Cols::user_id = "user_id";
-const std::string Users::Cols::user_name = "user_name";
-const std::string Users::Cols::password = "password";
-const std::string Users::Cols::org_name = "org_name";
-const std::string Users::Cols::signature = "signature";
-const std::string Users::Cols::avatar_id = "avatar_id";
-const std::string Users::Cols::id = "id";
-const std::string Users::Cols::salt = "salt";
-const std::string Users::Cols::admin = "admin";
+const std::string Users::Cols::_user_id = "user_id";
+const std::string Users::Cols::_user_name = "user_name";
+const std::string Users::Cols::_password = "password";
+const std::string Users::Cols::_org_name = "org_name";
+const std::string Users::Cols::_signature = "signature";
+const std::string Users::Cols::_avatar_id = "avatar_id";
+const std::string Users::Cols::_id = "id";
+const std::string Users::Cols::_salt = "salt";
+const std::string Users::Cols::_admin = "admin";
 const std::string Users::primaryKeyName = "id";
 const bool Users::hasPrimaryKey = true;
 const std::string Users::tableName = "users";
@@ -95,14 +95,14 @@ const std::shared_ptr<std::string> &Users::getUserId() const noexcept
 {
     return _userId;
 }
-void Users::setUserId(const std::string &userId) noexcept
+void Users::setUserId(const std::string &pUserId) noexcept
 {
-    _userId = std::make_shared<std::string>(userId);
+    _userId = std::make_shared<std::string>(pUserId);
     _dirtyFlag[0] = true;
 }
-void Users::setUserId(std::string &&userId) noexcept
+void Users::setUserId(std::string &&pUserId) noexcept
 {
-    _userId = std::make_shared<std::string>(std::move(userId));
+    _userId = std::make_shared<std::string>(std::move(pUserId));
     _dirtyFlag[0] = true;
 }
 
@@ -117,14 +117,14 @@ const std::shared_ptr<std::string> &Users::getUserName() const noexcept
 {
     return _userName;
 }
-void Users::setUserName(const std::string &userName) noexcept
+void Users::setUserName(const std::string &pUserName) noexcept
 {
-    _userName = std::make_shared<std::string>(userName);
+    _userName = std::make_shared<std::string>(pUserName);
     _dirtyFlag[1] = true;
 }
-void Users::setUserName(std::string &&userName) noexcept
+void Users::setUserName(std::string &&pUserName) noexcept
 {
-    _userName = std::make_shared<std::string>(std::move(userName));
+    _userName = std::make_shared<std::string>(std::move(pUserName));
     _dirtyFlag[1] = true;
 }
 
@@ -139,14 +139,14 @@ const std::shared_ptr<std::string> &Users::getPassword() const noexcept
 {
     return _password;
 }
-void Users::setPassword(const std::string &password) noexcept
+void Users::setPassword(const std::string &pPassword) noexcept
 {
-    _password = std::make_shared<std::string>(password);
+    _password = std::make_shared<std::string>(pPassword);
     _dirtyFlag[2] = true;
 }
-void Users::setPassword(std::string &&password) noexcept
+void Users::setPassword(std::string &&pPassword) noexcept
 {
-    _password = std::make_shared<std::string>(std::move(password));
+    _password = std::make_shared<std::string>(std::move(pPassword));
     _dirtyFlag[2] = true;
 }
 
@@ -161,14 +161,14 @@ const std::shared_ptr<std::string> &Users::getOrgName() const noexcept
 {
     return _orgName;
 }
-void Users::setOrgName(const std::string &orgName) noexcept
+void Users::setOrgName(const std::string &pOrgName) noexcept
 {
-    _orgName = std::make_shared<std::string>(orgName);
+    _orgName = std::make_shared<std::string>(pOrgName);
     _dirtyFlag[3] = true;
 }
-void Users::setOrgName(std::string &&orgName) noexcept
+void Users::setOrgName(std::string &&pOrgName) noexcept
 {
-    _orgName = std::make_shared<std::string>(std::move(orgName));
+    _orgName = std::make_shared<std::string>(std::move(pOrgName));
     _dirtyFlag[3] = true;
 }
 
@@ -183,14 +183,14 @@ const std::shared_ptr<std::string> &Users::getSignature() const noexcept
 {
     return _signature;
 }
-void Users::setSignature(const std::string &signature) noexcept
+void Users::setSignature(const std::string &pSignature) noexcept
 {
-    _signature = std::make_shared<std::string>(signature);
+    _signature = std::make_shared<std::string>(pSignature);
     _dirtyFlag[4] = true;
 }
-void Users::setSignature(std::string &&signature) noexcept
+void Users::setSignature(std::string &&pSignature) noexcept
 {
-    _signature = std::make_shared<std::string>(std::move(signature));
+    _signature = std::make_shared<std::string>(std::move(pSignature));
     _dirtyFlag[4] = true;
 }
 
@@ -205,14 +205,14 @@ const std::shared_ptr<std::string> &Users::getAvatarId() const noexcept
 {
     return _avatarId;
 }
-void Users::setAvatarId(const std::string &avatarId) noexcept
+void Users::setAvatarId(const std::string &pAvatarId) noexcept
 {
-    _avatarId = std::make_shared<std::string>(avatarId);
+    _avatarId = std::make_shared<std::string>(pAvatarId);
     _dirtyFlag[5] = true;
 }
-void Users::setAvatarId(std::string &&avatarId) noexcept
+void Users::setAvatarId(std::string &&pAvatarId) noexcept
 {
-    _avatarId = std::make_shared<std::string>(std::move(avatarId));
+    _avatarId = std::make_shared<std::string>(std::move(pAvatarId));
     _dirtyFlag[5] = true;
 }
 
@@ -244,14 +244,14 @@ const std::shared_ptr<std::string> &Users::getSalt() const noexcept
 {
     return _salt;
 }
-void Users::setSalt(const std::string &salt) noexcept
+void Users::setSalt(const std::string &pSalt) noexcept
 {
-    _salt = std::make_shared<std::string>(salt);
+    _salt = std::make_shared<std::string>(pSalt);
     _dirtyFlag[7] = true;
 }
-void Users::setSalt(std::string &&salt) noexcept
+void Users::setSalt(std::string &&pSalt) noexcept
 {
-    _salt = std::make_shared<std::string>(std::move(salt));
+    _salt = std::make_shared<std::string>(std::move(pSalt));
     _dirtyFlag[7] = true;
 }
 
@@ -266,9 +266,9 @@ const std::shared_ptr<bool> &Users::getAdmin() const noexcept
 {
     return _admin;
 }
-void Users::setAdmin(const bool &admin) noexcept
+void Users::setAdmin(const bool &pAdmin) noexcept
 {
-    _admin = std::make_shared<bool>(admin);
+    _admin = std::make_shared<bool>(pAdmin);
     _dirtyFlag[8] = true;
 }
 
diff --git a/orm_lib/tests/Users.h b/orm_lib/tests/Users.h
index 301000da..8d59947e 100644
--- a/orm_lib/tests/Users.h
+++ b/orm_lib/tests/Users.h
@@ -31,15 +31,15 @@ class Users
   public:
     struct Cols
     {
-        static const std::string user_id;
-        static const std::string user_name;
-        static const std::string password;
-        static const std::string org_name;
-        static const std::string signature;
-        static const std::string avatar_id;
-        static const std::string id;
-        static const std::string salt;
-        static const std::string admin;
+        static const std::string _user_id;
+        static const std::string _user_name;
+        static const std::string _password;
+        static const std::string _org_name;
+        static const std::string _signature;
+        static const std::string _avatar_id;
+        static const std::string _id;
+        static const std::string _salt;
+        static const std::string _admin;
     };
 
     const static int primaryKeyNumber;
@@ -59,8 +59,8 @@ class Users
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<std::string> &getUserId() const noexcept;
     /// Set the value of the column user_id
-    void setUserId(const std::string &userId) noexcept;
-    void setUserId(std::string &&userId) noexcept;
+    void setUserId(const std::string &pUserId) noexcept;
+    void setUserId(std::string &&pUserId) noexcept;
 
     /**  For column user_name  */
     /// Get the value of the column user_name, returns the default value if the
@@ -70,8 +70,8 @@ class Users
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<std::string> &getUserName() const noexcept;
     /// Set the value of the column user_name
-    void setUserName(const std::string &userName) noexcept;
-    void setUserName(std::string &&userName) noexcept;
+    void setUserName(const std::string &pUserName) noexcept;
+    void setUserName(std::string &&pUserName) noexcept;
 
     /**  For column password  */
     /// Get the value of the column password, returns the default value if the
@@ -81,8 +81,8 @@ class Users
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<std::string> &getPassword() const noexcept;
     /// Set the value of the column password
-    void setPassword(const std::string &password) noexcept;
-    void setPassword(std::string &&password) noexcept;
+    void setPassword(const std::string &pPassword) noexcept;
+    void setPassword(std::string &&pPassword) noexcept;
 
     /**  For column org_name  */
     /// Get the value of the column org_name, returns the default value if the
@@ -92,8 +92,8 @@ class Users
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<std::string> &getOrgName() const noexcept;
     /// Set the value of the column org_name
-    void setOrgName(const std::string &orgName) noexcept;
-    void setOrgName(std::string &&orgName) noexcept;
+    void setOrgName(const std::string &pOrgName) noexcept;
+    void setOrgName(std::string &&pOrgName) noexcept;
 
     /**  For column signature  */
     /// Get the value of the column signature, returns the default value if the
@@ -103,8 +103,8 @@ class Users
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<std::string> &getSignature() const noexcept;
     /// Set the value of the column signature
-    void setSignature(const std::string &signature) noexcept;
-    void setSignature(std::string &&signature) noexcept;
+    void setSignature(const std::string &pSignature) noexcept;
+    void setSignature(std::string &&pSignature) noexcept;
 
     /**  For column avatar_id  */
     /// Get the value of the column avatar_id, returns the default value if the
@@ -114,8 +114,8 @@ class Users
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<std::string> &getAvatarId() const noexcept;
     /// Set the value of the column avatar_id
-    void setAvatarId(const std::string &avatarId) noexcept;
-    void setAvatarId(std::string &&avatarId) noexcept;
+    void setAvatarId(const std::string &pAvatarId) noexcept;
+    void setAvatarId(std::string &&pAvatarId) noexcept;
 
     /**  For column id  */
     /// Get the value of the column id, returns the default value if the column
@@ -133,8 +133,8 @@ class Users
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<std::string> &getSalt() const noexcept;
     /// Set the value of the column salt
-    void setSalt(const std::string &salt) noexcept;
-    void setSalt(std::string &&salt) noexcept;
+    void setSalt(const std::string &pSalt) noexcept;
+    void setSalt(std::string &&pSalt) noexcept;
 
     /**  For column admin  */
     /// Get the value of the column admin, returns the default value if the
@@ -144,7 +144,7 @@ class Users
     /// empty shared_ptr object if the column is null
     const std::shared_ptr<bool> &getAdmin() const noexcept;
     /// Set the value of the column admin
-    void setAdmin(const bool &admin) noexcept;
+    void setAdmin(const bool &pAdmin) noexcept;
 
     static size_t getColumnNumber() noexcept
     {
@@ -184,6 +184,5 @@ class Users
     static const std::vector<MetaData> _metaData;
     bool _dirtyFlag[9] = {false};
 };
-
 }  // namespace postgres
 }  // namespace drogon_model