diff --git a/src/models/tanks.js b/src/models/tanks.js
index 25d68156..7d16640b 100644
--- a/src/models/tanks.js
+++ b/src/models/tanks.js
@@ -84,6 +84,8 @@ const tanksSchema = new mongoose.Schema({
           motor_id:{ type: String ,default: null},
           motor_status: { type: String, default: "0" },
           motor_stop_status: { type: String, default: "1" },
+          capacity:{ type: String ,default: null},
+          water_level:{ type: String ,default: null},
           
         }
       ]