diff --git a/frontend/src/objects/redisServerState.js b/frontend/src/objects/redisServerState.js
index d7aca37..2024eab 100644
--- a/frontend/src/objects/redisServerState.js
+++ b/frontend/src/objects/redisServerState.js
@@ -83,7 +83,7 @@ export class RedisServerState {
      * @param {number} updateVal
      */
     updateDBKeyCount(db, updateVal) {
-        const dbInst = this.databases[this.db]
+        const dbInst = this.databases[db]
         if (dbInst != null) {
             dbInst.maxKeys = Math.max(0, dbInst.maxKeys + updateVal)
         }
@@ -288,6 +288,11 @@ export class RedisServerState {
             // clear all key nodes
             this.nodeMap.clear()
             this.getRoot()
+            const dbInst = this.databases[this.db]
+            if (dbInst != null) {
+                dbInst.maxKeys = 0
+                dbInst.keyCount = 0
+            }
         } else {
             const keyParts = split(key, this.separator)
             const totalParts = size(keyParts)
diff --git a/frontend/src/stores/browser.js b/frontend/src/stores/browser.js
index f47baf0..2579af2 100644
--- a/frontend/src/stores/browser.js
+++ b/frontend/src/stores/browser.js
@@ -1493,7 +1493,7 @@ const useBrowserStore = defineStore('browser', {
          */
         async deleteKey(server, db, key, soft) {
             try {
-                let deleteCount = 0
+                let deleteCount = 1
                 if (soft !== true) {
                     const { data } = await DeleteKey(server, db, key)
                     deleteCount = get(data, 'deleteCount', 0)
@@ -1717,7 +1717,6 @@ const useBrowserStore = defineStore('browser', {
                     if (serverInst != null) {
                         // update tree view data
                         serverInst.removeKeyNode()
-                        serverInst.setDBKeyCount(db, 0)
                     }
                     // set tab content empty
                     const tab = useTabStore()