diff --git a/backend/services/contribution-service/src/api/controllers/contribution.controller.ts b/backend/services/contribution-service/src/api/controllers/contribution.controller.ts
index a6dc5831..ba82596d 100644
--- a/backend/services/contribution-service/src/api/controllers/contribution.controller.ts
+++ b/backend/services/contribution-service/src/api/controllers/contribution.controller.ts
@@ -1,4 +1,4 @@
-import { Controller, Get, Param, Query } from '@nestjs/common';
+import { Controller, Get, Param, Query, NotFoundException } from '@nestjs/common';
 import { ApiTags, ApiOperation, ApiResponse, ApiParam } from '@nestjs/swagger';
 import { GetContributionAccountQuery } from '../../application/queries/get-contribution-account.query';
 import { GetContributionStatsQuery } from '../../application/queries/get-contribution-stats.query';
diff --git a/backend/services/deploy-mining.sh b/backend/services/deploy-mining.sh
index 0fbe631a..b443418e 100755
--- a/backend/services/deploy-mining.sh
+++ b/backend/services/deploy-mining.sh
@@ -386,7 +386,19 @@ service_build() {
 service_rebuild() {
     local service="$1"
     local no_cache="$2"
+
+    # 1. Build the service
     service_build "$service" "$no_cache"
+
+    # 2. Stop the old service
+    log_info "Stopping old $service..."
+    service_stop "$service"
+
+    # 3. Start the new service
+    log_info "Starting new $service..."
+    service_start "$service"
+
+    log_success "$service rebuilt and restarted successfully"
 }
 
 # ===========================================================================