diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index a51356d1..0825fa16 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -690,8 +690,8 @@ exports.getByHardwareIdSupport = async (req, reply) => {
 
     const gsmLastCheckTime = now.format("DD-MM-YYYY HH:mm:ss"); // formatted current time
 
-    // ✅ Step 1: Update Insensors with GSM date/time/status and last check time
-    await Insensors.findOneAndUpdate(
+    // ✅ Update slaves connected to this master hardwareId
+    await Insensors.updateMany(
       { connected_to: hardwareId },
       {
         $set: {
@@ -700,11 +700,23 @@ exports.getByHardwareIdSupport = async (req, reply) => {
           connected_status: gsmStatus,
           support_gsm_last_check_time: gsmLastCheckTime
         }
-      },
-      { new: true }
+      }
+    );
+
+    // ✅ Update the master device itself (if it's a master)
+    await Insensors.updateOne(
+      { hardwareId },
+      {
+        $set: {
+          connected_gsm_date,
+          connected_gsm_time,
+          connected_status: gsmStatus,
+          support_gsm_last_check_time: gsmLastCheckTime
+        }
+      }
     );
 
-    // ✅ Step 2: Annotate tanks with LoRa connection status based on tank date
+    // ✅ Annotate tanks with LoRa connection status
     const tanksWithConnectionStatus = latestRecord.tanks.map(tank => {
       const tankMoment = moment.tz(tank.date, "Asia/Kolkata");
       const tankDiff = now.diff(tankMoment, "minutes");
@@ -715,7 +727,7 @@ exports.getByHardwareIdSupport = async (req, reply) => {
       };
     });
 
-    // ✅ Step 3: Response
+    // ✅ Response
     return reply.send({
       status_code: 200,
       message: "Success",
@@ -733,10 +745,10 @@ exports.getByHardwareIdSupport = async (req, reply) => {
     });
 
   } catch (err) {
-    console.error("Error in getByHardwareId:", err);
+    console.error("Error in getByHardwareIdSupport:", err);
     return reply.status(500).send({ error: "Internal Server Error" });
   }
-};  
+};
 
 
 exports.getByHardwareAndTankId = async (req, reply) => {
@@ -879,7 +891,7 @@ exports.getByHardwareAndTankIdSupport = async (req, reply) => {
 
     let connected_lora_date = null;
     let connected_lora_time = null;
-    let support_lora_last_check_time = null;
+    let support_lora_last_check_time = moment.tz("Asia/Kolkata").format("DD-MM-YYYY HH:mm:ss");
 
     if (isLoraConnected) {
       connected_lora_date = formattedDate;
@@ -888,15 +900,24 @@ exports.getByHardwareAndTankIdSupport = async (req, reply) => {
       updateFields.connected_lora_time = connected_lora_time;
     }
 
-    // ✅ Format LoRa last check time in "YYYY-MM-DD HH:mm:ss"
-    support_lora_last_check_time = moment.tz("Asia/Kolkata").format("DD-MM-YYYY HH:mm:ss");
     updateFields.support_lora_last_check_time = support_lora_last_check_time;
 
-    await Insensors.findOneAndUpdate(
-      { connected_to: hardwareId, hardwareId: tankhardwareId },
-      { $set: updateFields },
-      { new: true }
-    );
+    // 🔍 Add debugging to check if the document exists
+    const sensorToUpdate = await Insensors.findOne({
+      connected_to: hardwareId,
+      hardwareId: tankhardwareId
+    });
+
+    if (!sensorToUpdate) {
+      console.warn("No matching Insensors document found for update");
+    } else {
+      await Insensors.findOneAndUpdate(
+        { connected_to: hardwareId, hardwareId: tankhardwareId },
+        { $set: { ...updateFields, support_lora_last_check_time } },
+        { new: true }
+      );
+    }
+    
 
     const displayMessage = isLoraConnected ? "LoRa connected" : "LoRa not connected";
 
@@ -907,10 +928,11 @@ exports.getByHardwareAndTankIdSupport = async (req, reply) => {
       lora_connected_status: updateFields.connected_status,
       connected_lora_date,
       connected_lora_time,
-      support_lora_last_check_time    });
+      support_lora_last_check_time
+    });
 
   } catch (err) {
-    console.error("Error in getByHardwareAndTankId:", err);
+    console.error("Error in getByHardwareAndTankIdSupport:", err);
     return reply.status(500).send({ error: "Internal Server Error" });
   }
 };
@@ -3673,7 +3695,7 @@ exports.getDisconnectedIssuesBySupportId = async (req, reply) => {
         }
       });
     }
-
+    console.log("order",orderMap)
     const masterMap = {};
 
     for (const issue of allIssues) {
@@ -3704,6 +3726,7 @@ exports.getDisconnectedIssuesBySupportId = async (req, reply) => {
       }
 
       const master = masterMap[masterSensor.hardwareId];
+      console.log("master",master)
 
       // ✅ Always fetch slaves using connected_to
       const connectedSlaves = await Insensors.find({