diff --git a/DockerfileUAT b/DockerfileUAT
new file mode 100644
index 0000000..d5fe715
--- /dev/null
+++ b/DockerfileUAT
@@ -0,0 +1,20 @@
+FROM node:18-alpine As build
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm i 
+COPY . .
+RUN npm run build
+
+FROM node:18-alpine
+WORKDIR /app
+COPY --from=build /app/node_modules ./node_modules
+COPY --from=build /app/dist ./dist
+# COPY --from=build /app/.env ./.env
+COPY --from=build /app/package.json ./package.json
+COPY --from=build /app/tsconfig.build.json ./tsconfig.build.json
+
+# RUN apk --no-cache add curl
+EXPOSE 3969
+
+#CMD ["sh", "-c", "yarn start"]
\ No newline at end of file
diff --git a/src/constants/error.constant.ts b/src/constants/error.constant.ts
index 0c9a24f..11dc05d 100644
--- a/src/constants/error.constant.ts
+++ b/src/constants/error.constant.ts
@@ -7,4 +7,5 @@ export enum EError {
   UNAUTHORIZED = 'UNAUTHORIZED',
   INVALID_SIGNATURE = 'INVALID_SIGNATURE',
   OVER_DAILY_QUOTA = 'OVER_DAILY_QUOTA',
+  RESOURCE_NOT_FOUND = 'RESOURCE_NOT_FOUND',
 }
diff --git a/src/modules/users/users.service.ts b/src/modules/users/users.service.ts
index 8a9aa45..f1b4ea6 100644
--- a/src/modules/users/users.service.ts
+++ b/src/modules/users/users.service.ts
@@ -11,7 +11,7 @@ import { CommonConfigRepository } from '../../database/repositories/common-confi
 import { EventLogRepository } from '../../database/repositories/event-log.repository.js';
 import { UserRepository } from '../../database/repositories/user.repository.js';
 import { TokenPair } from '../../modules/users/entities/tokenpair.entity.js';
-import { httpBadRequest } from '../../shared/exceptions/http-exeption.js';
+import { httpBadRequest, httpNotFound } from '../../shared/exceptions/http-exeption.js';
 import { LoggerService } from '../../shared/modules/logger/logger.service.js';
 import { addDecimal } from '../../shared/utils/bignumber.js';
 import { UpdateCommonConfigBodyDto } from './dto/common-config-request.dto.js';
@@ -79,7 +79,9 @@ export class UsersService {
       }),
       this.commonConfigRepository.getCommonConfig(),
     ]);
-
+    if (!tokenPair) {
+      httpNotFound(EError.RESOURCE_NOT_FOUND);
+    }
     if (tokenPair.toChain == ENetworkName.MINA) {
       decimal = this.configService.get(EEnvKey.DECIMAL_TOKEN_EVM);
       gasFee = addDecimal(this.configService.get(EEnvKey.GAS_FEE_EVM), decimal);