diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index 14bf4a1d..30cda7c0 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -762,6 +762,7 @@ exports.masterConnectedSlaveList = async (req, reply) => {
 
     // Step 1: Find all slave tanks where connected_to matches
     const slaveTanks = await Insensors.find({ connected_to: connectedTo });
+    console.log(slaveTanks,"slaveTanks")
 
     if (!slaveTanks || slaveTanks.length === 0) {
       return reply.status(404).send({ success: false, message: "No tanks found for the given connected_to value" });
diff --git a/src/models/store.js b/src/models/store.js
index c71292b4..42e7b7e7 100644
--- a/src/models/store.js
+++ b/src/models/store.js
@@ -359,7 +359,7 @@ const insensorsSchema = new mongoose.Schema({
   status: { type: String, default: "pending" },
   connected_to: { type: String, default: "0" },
   tankName: { type: String, default: "0" },
-  tankLocation: { type: Number, default: 0 },
+  tankLocation: { type: String, default: "0" },
   connected_slave: { type: String, default: null },
   
   quality_check_details: [{