diff --git a/pglab/ConnectionListModel.cpp b/pglab/ConnectionListModel.cpp
index f129849..a346ecc 100644
--- a/pglab/ConnectionListModel.cpp
+++ b/pglab/ConnectionListModel.cpp
@@ -185,6 +185,25 @@ INSERT INTO connection_parameter (connection_uuid, pname, pvalue)
             stmt.Bind(4, b64.data(), b64.length());
         }
         stmt.Step();
+
+        stmt = db.Prepare(
+            "DELETE FROM connection_parameter WHERE connection_uuid=?1");
+        stmt.Bind(1, cc.uuid().toString());
+        stmt.Step();
+
+        stmt = db.Prepare(
+            R"__(INSERT INTO connection_parameter (connection_uuid, pname, pvalue)
+             VALUES(?1, ?2, ?3))__");
+        const std::unordered_map<QString, QString>& params = cc.getParameters();
+        for (auto && p : params)
+        {
+            stmt.Reset();
+            stmt.Bind(1, cc.uuid().toString());
+            stmt.Bind(2, p.first);
+            stmt.Bind(3, p.second);
+            stmt.Step();
+        }
+        tx.Commit();
 	}
 
 } // end of unnamed namespace
diff --git a/pglablib/ConnectionConfig.h b/pglablib/ConnectionConfig.h
index e7d1817..b21e76a 100644
--- a/pglablib/ConnectionConfig.h
+++ b/pglablib/ConnectionConfig.h
@@ -135,6 +135,10 @@ public:
 
     void setParameter(const QString &name, const QString &value);
     QString getParameter(const QString &name) const;
+    const std::unordered_map<QString, QString>& getParameters() const
+    {
+        return m_parameters;
+    }
 private:
 	QUuid m_uuid;
     QString m_name;