Can update comment content

src/utils/string_utils.rs

@@ -49,7 +49,7 @@ pub fn check_url(url: &str) -> bool {
 /// assert_eq!(check_string_before_insert("Hello world"), true);
 /// ```
 pub fn check_string_before_insert(s: &str) -> bool {
-    s.trim().len() > 3
+    s.trim().len() > 2
 }
 
 /// Check the validity of a YouTube ID