diff --git a/modules/config/model/Connection.go b/modules/config/model/Connection.go
index 59d020f..df342d4 100644
--- a/modules/config/model/Connection.go
+++ b/modules/config/model/Connection.go
@@ -1,8 +1,10 @@
 package model
 
+import "encoding/json"
+
 type Connection struct {
-	IP       string `json:"ip,omitempty"`
-	Port     string `json:"port,omitempty"`
-	PortType string `json:"portType,omitempty"`
-	SSL      bool   `json:"ssl,omitempty"`
+	IP       string      `json:"ip,omitempty"`
+	Port     json.Number `json:"port,Number,omitempty"`
+	PortType string      `json:"portType,omitempty"`
+	SSL      bool        `json:"ssl,omitempty"`
 }