diff --git a/dbm-ui/frontend/src/views/db-manage/mysql/apply/ApplyMySQL.vue b/dbm-ui/frontend/src/views/db-manage/mysql/apply/ApplyMySQL.vue
index e78ff4c5a1..3c9bd8eefc 100644
--- a/dbm-ui/frontend/src/views/db-manage/mysql/apply/ApplyMySQL.vue
+++ b/dbm-ui/frontend/src/views/db-manage/mysql/apply/ApplyMySQL.vue
@@ -692,9 +692,10 @@
       const getDetails = () => {
         const details: Record<string, any> = _.cloneDeep(formdata.details);
         const { cityCode } = regionItemRef.value.getValue();
+        const { affinity } = details.resource_spec.backend;
 
         const regionAndDisasterParams = {
-          affinity: details.resource_spec.backend.affinity,
+          affinity,
           location_spec: {
             city: cityCode,
             sub_zone_ids: [],
@@ -739,7 +740,7 @@
                 },
               },
             },
-            disaster_tolerance_level: details.resource_spec.backend.affinity,
+            disaster_tolerance_level: affinity,
           };
         }
 
@@ -750,6 +751,7 @@
             proxy: formatNodes(formdata.details.nodes.proxy),
             backend: formatNodes(formdata.details.nodes.backend),
           },
+          disaster_tolerance_level: affinity,
         };
       };
 
diff --git a/dbm-ui/frontend/src/views/db-manage/redis/apply/ApplyRedis.vue b/dbm-ui/frontend/src/views/db-manage/redis/apply/ApplyRedis.vue
index 1d25a2bb14..a50ab28fbc 100644
--- a/dbm-ui/frontend/src/views/db-manage/redis/apply/ApplyRedis.vue
+++ b/dbm-ui/frontend/src/views/db-manage/redis/apply/ApplyRedis.vue
@@ -821,9 +821,10 @@
     const getDetails = () => {
       const details: Record<string, any> = _.cloneDeep(state.formdata.details);
       const { cityCode } = regionItemRef.value.getValue();
+      const { affinity } = details.resource_spec.backend_group;
 
       const regionAndDisasterParams = {
-        affinity: details.resource_spec.backend_group.affinity,
+        affinity,
         location_spec: {
           city: cityCode,
           sub_zone_ids: [],
@@ -840,7 +841,7 @@
         return {
           ...details,
           cluster_shard_num: Number(specInfo.cluster_shard_num),
-          disaster_tolerance_level: details.resource_spec.backend_group.affinity,
+          disaster_tolerance_level: affinity,
           resource_spec: {
             proxy: {
               ...details.resource_spec.proxy,
@@ -871,6 +872,7 @@
           master: formatNodes(state.formdata.details.nodes.master),
           slave: formatNodes(state.formdata.details.nodes.slave),
         },
+        disaster_tolerance_level: affinity,
       };
     };
     const params = {