Fix judgement of an edge condition

Signed-off-by: Hollow Man <[email protected]>

Author: HollowMan6

src/utils/mod.rs

@@ -219,8 +219,16 @@ fn adjust_links<'a>(
                                     .to_str()
                                     .expect("utf-8 paths only")
                                     .to_owned();
-                                write!(unnormalized_path, "{}/{}", normalize_path(base), redirect)
-                                    .unwrap();
+
+                                let normalized_base =
+                                    normalize_path(base).trim_matches('/').to_owned();
+                                if !normalized_base.is_empty() {
+                                    write!(unnormalized_path, "{}/{}", normalized_base, redirect)
+                                        .unwrap();
+                                } else {
+                                    unnormalized_path =
+                                        redirect.to_string().trim_start_matches('/').to_string();
+                                }
                             }
 
                             // original without anchors, need to append link anchors