diff --git a/components.d.ts b/components.d.ts
index 8fa004ea..bc2489ff 100644
--- a/components.d.ts
+++ b/components.d.ts
@@ -25,6 +25,7 @@ declare module '@vue/runtime-core' {
     NCollapseTransition: typeof import('naive-ui')['NCollapseTransition']
     NColorPicker: typeof import('naive-ui')['NColorPicker']
     NConfigProvider: typeof import('naive-ui')['NConfigProvider']
+    NCopyableInput: typeof import('naive-ui')['NCopyableInput']
     NDatePicker: typeof import('naive-ui')['NDatePicker']
     NDivider: typeof import('naive-ui')['NDivider']
     NDynamicInput: typeof import('naive-ui')['NDynamicInput']
diff --git a/src/tools/ipv4-address-converter/ipv4-address-converter.vue b/src/tools/ipv4-address-converter/ipv4-address-converter.vue
index 2721b1a8..7474608e 100644
--- a/src/tools/ipv4-address-converter/ipv4-address-converter.vue
+++ b/src/tools/ipv4-address-converter/ipv4-address-converter.vue
@@ -26,7 +26,7 @@ import { useValidation } from '@/composable/validation';
 import { convertBase } from '../integer-base-converter/integer-base-converter.model';
 import { ipv4ToInt, ipv4ToIpv6, isValidIpv4 } from './ipv4-address-converter.service';
 
-const rawIpAddress = ref('192.168.1.1');
+const rawIpAddress = useStorage('ipv4-converter:ip', '192.168.1.1');
 
 const convertedSections = computed(() => {
   const ipInDecimal = ipv4ToInt({ ip: rawIpAddress.value });