diff --git a/src/models/tanks.js b/src/models/tanks.js
index 8e714b5f..4204f4ab 100644
--- a/src/models/tanks.js
+++ b/src/models/tanks.js
@@ -67,6 +67,7 @@ const tanksSchema = new mongoose.Schema({
   slave_status:{ type: String, default: "working" },
   slave_disconnected_time   :{ type: String, default: null },
   
+  
   connections: {
     source: { type: String },
     inputConnections: [