diff --git a/.env b/.env
index 9ac00825..0ccd7af7 100644
--- a/.env
+++ b/.env
@@ -103,7 +103,7 @@ TOKEN_SYMBOL=DRAG
 TOKEN_META=origin fire,lifetime infinite
 CONTRACT_NAME=UniSwapRouter
 
-CONTRACT_HASH=88b7a94e1fa619fcc500e506c27965ff9bf91b7afb433930a6c265b347299498
+CONTRACT_HASH=493fc8e66c2f1049b28fa661c65a2668c4e9e9e023447349fc9145c82304a65a
 PACKAGE_HASH=3de805e07efbc2cd9c5d323ab4fe5f2f0c1c5da33aec527d73de34a1fc9d3735
 INSTALL_PAYMENT_AMOUNT=300000000000
 MINT_ONE_PAYMENT_AMOUNT=2000000000
diff --git a/JsClients/ROUTER/wasm/uniswap-v2-router.wasm b/JsClients/ROUTER/wasm/uniswap-v2-router.wasm
index 8217b2a2..b56ec72e 100644
Binary files a/JsClients/ROUTER/wasm/uniswap-v2-router.wasm and b/JsClients/ROUTER/wasm/uniswap-v2-router.wasm differ
diff --git a/routes/deploypair.js b/routes/deploypair.js
index 5e848ba2..8f026297 100644
--- a/routes/deploypair.js
+++ b/routes/deploypair.js
@@ -147,10 +147,17 @@ router.route("/getpairagainstuser").post(async function (req, res, next) {
         message: "This user has not added liquidity against any pair.",
       });
     } else {
+      let pairsdata=[];
+      for(var i=0;i<result.length;i++)
+      {
+        let pairsresult = await pairsModel.findOne({id:result[i].pair});
+        pairsdata.push(pairsresult);
+      }
       return res.status(200).json({
         success: true,
         message: "This User has added liquidity against following pairs.",
         userpairs: result,
+        pairsdata:pairsdata
       });
     }
   } catch (error) {
diff --git a/routes/listenerroutes.js b/routes/listenerroutes.js
index 00329820..e9341882 100644
--- a/routes/listenerroutes.js
+++ b/routes/listenerroutes.js
@@ -721,13 +721,24 @@ router.route("/geteventsdata").post(async function (req, res, next) {
         });
         await pairagainstuser.create(newData);
       } else {
-        pairagainstuserresult.reserve0 = (
-          BigInt(pairagainstuserresult.reserve0) - BigInt(reserve0)
-        ).toString();
-        pairagainstuserresult.reserve1 = (
-          BigInt(pairagainstuserresult.reserve1) - BigInt(reserve1)
-        ).toString();
-        await pairagainstuserresult.save();
+        if (
+          (
+            BigInt(pairagainstuserresult.reserve0) - BigInt(reserve0)
+          ).toString() == "0" &&
+          (
+            BigInt(pairagainstuserresult.reserve1) - BigInt(reserve1)
+          ).toString() == "0"
+        ) {
+          await pairagainstuser.deleteOne({ _id: pairagainstuserresult._id });
+        } else {
+          pairagainstuserresult.reserve0 = (
+            BigInt(pairagainstuserresult.reserve0) - BigInt(reserve0)
+          ).toString();
+          pairagainstuserresult.reserve1 = (
+            BigInt(pairagainstuserresult.reserve1) - BigInt(reserve1)
+          ).toString();
+          await pairagainstuserresult.save();
+        }
       }
     }
   } catch (error) {
diff --git a/test.js b/test.js
index dee64033..78f663a9 100644
--- a/test.js
+++ b/test.js
@@ -99,4 +99,3 @@
 //     pairagainstuserresult.reserve1 = args.amount1;
 //     await pairagainstuserresult.save();
 //   }
-