diff --git a/lib/UpiPayment.js b/lib/UpiPayment.js
index eb8b350..9d1f425 100644
--- a/lib/UpiPayment.js
+++ b/lib/UpiPayment.js
@@ -1,28 +1,22 @@
-import { NativeModules } from 'react-native';
+import { NativeModules } from "react-native";
 
 const UpiModule = NativeModules.UpiPayment;
 
-
 const RNUpiPayment = {
-  requiredFields: [
-    'vpa',
-    'amount',
-    'payeeName',
-    'transactionRef'
-  ],
+  requiredFields: ["vpa", "amount", "payeeName", "transactionRef"],
 
   upiConfig: {
-    vpa: 'pa',
-    payeeName: 'pn',
-    transactionRef: 'tr',
-    amount: 'am',
-    transactionNote: 'tn',
-    currency: 'cu'
+    vpa: "pa",
+    payeeName: "pn",
+    transactionRef: "tr",
+    amount: "am",
+    transactionNote: "tn",
+    currency: "cu",
   },
 
-  UPI_APP_NOT_INSTALLED: 'UPI supporting app not installed',
-  REQUEST_CODE_MISMATCH: 'Request Code Mismatch',
-  NO_ACTION_TAKEN: 'No action taken',
+  UPI_APP_NOT_INSTALLED: "UPI supporting app not installed",
+  REQUEST_CODE_MISMATCH: "Request Code Mismatch",
+  NO_ACTION_TAKEN: "No action taken",
 
   validateObject(config: Object) {
     const errorArray = [];
@@ -50,12 +44,13 @@ const RNUpiPayment = {
       data = JSON.parse(data);
       let failureObj = {};
 
-      if (typeof (data.nameValuePairs.message) == "undefined") {
+      if (typeof data.nameValuePairs.message == "undefined") {
         failure(data.nameValuePairs);
-      }
-      else {
-        const failureString = data.nameValuePairs && data.nameValuePairs.message;
-        if (failureString === this.UPI_APP_NOT_INSTALLED ||
+      } else {
+        const failureString =
+          data.nameValuePairs && data.nameValuePairs.message;
+        if (
+          failureString === this.UPI_APP_NOT_INSTALLED ||
           failureString === this.REQUEST_CODE_MISMATCH ||
           failureString === this.NO_ACTION_TAKEN
         ) {
@@ -68,53 +63,66 @@ const RNUpiPayment = {
     };
   },
 
+  //this function updated to fixed unwanted crash from some upi app
   convertStringToObject(responseString: string) {
-    let object = {};
-    const stringArray = responseString.split('&');
-    object = stringArray.reduce((accumulator, current) => {
-      const currentArray = current.split('=');
-      accumulator[currentArray[0]] = currentArray[1];
-      return accumulator;
-    }, {});
-
-    return object;
+    if (responseString === undefined) {
+      return "";
+    } else {
+      let object = {};
+      const stringArray = responseString.split("&");
+      object = stringArray.reduce((accumulator, current) => {
+        const currentArray = current.split("=");
+        accumulator[currentArray[0]] = currentArray[1];
+        return accumulator;
+      }, {});
+
+      return object;
+    }
   },
 
   initializePayment(config, success, failure) {
-    if (typeof success !== 'function') {
-      throw new Error('Success callback not a function');
+    if (typeof success !== "function") {
+      throw new Error("Success callback not a function");
     }
 
-    if (typeof failure !== 'function') {
-      throw new Error('Failure callback not a function');
+    if (typeof failure !== "function") {
+      throw new Error("Failure callback not a function");
     }
 
-    if (typeof config !== 'object') {
-      throw new Error('config not of type object');
+    if (typeof config !== "object") {
+      throw new Error("config not of type object");
     }
     const errorArray = this.validateObject(config);
 
     if (errorArray.length > 0) {
-      throw new Error(`Following keys are required ${JSON.stringify(errorArray)}`);
+      throw new Error(
+        `Following keys are required ${JSON.stringify(errorArray)}`
+      );
     }
 
-    config.currency = 'INR';
-    let upiString = 'upi://pay?';
+    config.currency = "INR";
+    let upiString = "upi://pay?";
 
     let queryString = Object.keys(config).reduce((accumulator, current) => {
-      let prefix = '';
+      let prefix = "";
       if (accumulator) {
-        prefix = '&';
+        prefix = "&";
       }
-      accumulator = accumulator + prefix +
+      accumulator =
+        accumulator +
+        prefix +
         `${this.upiConfig[current]}=${encodeURIComponent(config[current])}`;
 
       return accumulator;
-    }, '');
-    const upiConfig = {}
+    }, "");
+    const upiConfig = {};
     upiConfig.upiString = `upi://pay?${queryString}`;
-    UpiModule.intializePayment(upiConfig, this.successCallback(success), this.failureCallback(failure));
-  }
-}
+    UpiModule.intializePayment(
+      upiConfig,
+      this.successCallback(success),
+      this.failureCallback(failure)
+    );
+  },
+};
 
-module.exports = RNUpiPayment;
\ No newline at end of file
+module.exports = RNUpiPayment;