diff --git a/solution/2600-2699/2678.Number of Senior Citizens/README.md b/solution/2600-2699/2678.Number of Senior Citizens/README.md
index ce2a6c0d36c5d..ef392e98da8a7 100644
--- a/solution/2600-2699/2678.Number of Senior Citizens/README.md	
+++ b/solution/2600-2699/2678.Number of Senior Citizens/README.md	
@@ -167,6 +167,12 @@ function countSeniors(details: string[]): number {
 }
 ```
 
+```ts
+function countSeniors(details: string[]): number {
+    return details.filter(v => parseInt(v.slice(11, 13)) > 60).length;
+}
+```
+
 ### **...**
 
 ```
diff --git a/solution/2600-2699/2678.Number of Senior Citizens/README_EN.md b/solution/2600-2699/2678.Number of Senior Citizens/README_EN.md
index e09986b5bf6be..746b816736cce 100644
--- a/solution/2600-2699/2678.Number of Senior Citizens/README_EN.md	
+++ b/solution/2600-2699/2678.Number of Senior Citizens/README_EN.md	
@@ -157,6 +157,12 @@ function countSeniors(details: string[]): number {
 }
 ```
 
+```ts
+function countSeniors(details: string[]): number {
+    return details.filter(v => parseInt(v.slice(11, 13)) > 60).length;
+}
+```
+
 ### **...**
 
 ```