diff --git a/crates/mako/src/config.rs b/crates/mako/src/config.rs
index 8b361f94b..938633973 100644
--- a/crates/mako/src/config.rs
+++ b/crates/mako/src/config.rs
@@ -220,10 +220,8 @@ impl Config {
                 .entry("NODE_ENV".to_string())
                 .or_insert_with(|| serde_json::Value::String(mode));
 
-            if config.public_path != "runtime"
-                && (!config.public_path.ends_with('/') || !config.public_path.starts_with('/'))
-            {
-                panic!("publicPath must end with '/' and start with '/' or be 'runtime'");
+            if config.public_path != "runtime" && !config.public_path.ends_with('/') {
+                panic!("public_path must end with '/' or be 'runtime'");
             }
 
             // let entry_length = cc.entry.len();
@@ -295,7 +293,7 @@ mod tests {
     }
 
     #[test]
-    #[should_panic(expected = "publicPath must end with '/' and start with '/' or be 'runtime'")]
+    #[should_panic(expected = "public_path must end with '/' or be 'runtime'")]
     fn test_config_invalid_public_path() {
         let current_dir = std::env::current_dir().unwrap();
         Config::new(
diff --git a/crates/mako/src/dev.rs b/crates/mako/src/dev.rs
index 81ceaf650..208e820be 100644
--- a/crates/mako/src/dev.rs
+++ b/crates/mako/src/dev.rs
@@ -84,10 +84,10 @@ impl DevServer {
                     for_fn.context.root.join("node_modules/.mako/hot_update"),
                 );
 
+                // 去除 publicPath 头尾 /
                 let public_path = for_fn.context.config.public_path.clone();
-                let public_path_without_prefix_as_str = public_path
-                    .strip_prefix('/')
-                    .unwrap_or(public_path.as_str());
+                let public_path_without_fix =
+                    public_path.trim_start_matches('/').trim_end_matches('/');
 
                 match path {
                     "__/hmr-ws" => {
@@ -112,11 +112,10 @@ impl DevServer {
                             )
                         }
                     }
-                    _ if path.starts_with(public_path_without_prefix_as_str) => {
+                    _ if path.starts_with(public_path_without_fix) => {
                         // 如果用户设置了 public_path，修改一下原始 req，手动复制 req 担心掉属性
-                        if public_path.as_str() != "/" {
-                            let public_path_re =
-                                Regex::new(public_path_without_prefix_as_str).unwrap();
+                        if !public_path.is_empty() {
+                            let public_path_re = Regex::new(public_path_without_fix).unwrap();
                             let uri_str = public_path_re
                                 .replacen(req.uri().to_string().as_str(), 1, "")
                                 .to_string();