diff --git a/dbm-ui/frontend/src/views/db-manage/redis/capacity-change/pages/page1/components/ClusterDeployPlan.vue b/dbm-ui/frontend/src/views/db-manage/redis/capacity-change/pages/page1/components/ClusterDeployPlan.vue
index 2db04c84e8..162300f226 100644
--- a/dbm-ui/frontend/src/views/db-manage/redis/capacity-change/pages/page1/components/ClusterDeployPlan.vue
+++ b/dbm-ui/frontend/src/views/db-manage/redis/capacity-change/pages/page1/components/ClusterDeployPlan.vue
@@ -590,9 +590,10 @@
     if (capacityNeed.value > 0) {
       isTableLoading.value = true;
       const clusterType = props.data?.clusterType ?? ClusterTypes.TWEMPROXY_REDIS_INSTANCE;
+      const machineType = clusterType === ClusterTypes.PREDIXY_REDIS_CLUSTER ? ClusterTypes.PREDIXY_REDIS_CLUSTER : specClusterMachineMap[clusterType];
       const params = {
         spec_cluster_type: 'redis',
-        spec_machine_type: specClusterMachineMap[clusterType],
+        spec_machine_type: machineType,
         shard_num: props.data.shardNum === 0 ? undefined : props.data.shardNum,
         capacity: capacityNeed.value,
         future_capacity: capacityNeed.value,
diff --git a/dbm-ui/frontend/src/views/db-manage/redis/common/cluster-deploy-plan/Index.vue b/dbm-ui/frontend/src/views/db-manage/redis/common/cluster-deploy-plan/Index.vue
index 0a01188723..6625aafbee 100644
--- a/dbm-ui/frontend/src/views/db-manage/redis/common/cluster-deploy-plan/Index.vue
+++ b/dbm-ui/frontend/src/views/db-manage/redis/common/cluster-deploy-plan/Index.vue
@@ -426,9 +426,10 @@
     if (specInfo.capacityNeed > 0 && specInfo.capacityFutureNeed > 0) {
       isTableLoading.value = true;
       const clusterType = props.data?.clusterType ?? ClusterTypes.TWEMPROXY_REDIS_INSTANCE;
+      const machineType = clusterType === ClusterTypes.PREDIXY_REDIS_CLUSTER ? ClusterTypes.PREDIXY_REDIS_CLUSTER : specClusterMachineMap[clusterType];
       const params = {
         spec_cluster_type: 'redis',
-        spec_machine_type: specClusterMachineMap[clusterType],
+        spec_machine_type: machineType,
         shard_num: props.data.shardNum === 0 ? undefined : props.data.shardNum,
         capacity: specInfo.capacityNeed,
         future_capacity: specInfo.capacityNeed <= specInfo.capacityFutureNeed ? specInfo.capacityFutureNeed : specInfo.capacityNeed,