diff --git a/.vscode/launch.json b/.vscode/launch.json
index 4255c8029..b61869bef 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -64,7 +64,7 @@
             "type": "lldb",
             "request": "attach",
             "name": "debug lsp",
-            "program": "plc",
+            "pid": "${command:pickProcess}"
         },
         {
             "type": "lldb",
diff --git a/planglib/std/future/delay.pi b/planglib/std/future/delay.pi
index d7dd553a1..03d7daabe 100644
--- a/planglib/std/future/delay.pi
+++ b/planglib/std/future/delay.pi
@@ -22,11 +22,11 @@ impl Future<()> for Delay{
         thread::spawn(||=>{
             let sec = self.sec - (unixtime() - self.start);
             if sec <= 0 {
-                wk.wake(wk.ch);
+                wk.wake();
                 return;
             }
             thread::sleep(sec);
-            wk.wake(wk.ch);
+            wk.wake();
             return;
         });
         return Pending{};
diff --git a/planglib/std/future/executor.pi b/planglib/std/future/executor.pi
index 60a796565..5992a15d8 100644
--- a/planglib/std/future/executor.pi
+++ b/planglib/std/future/executor.pi
@@ -21,11 +21,10 @@ impl Executor {
         while true {
             let work: |Waker|=>void = self.ch.recv();
             let waker = Waker{
-                wake: |ch| => void {
-                    ch.send(work);
+                wake: || => void {
+                    self.ch.send(work);
                     return;  
                 },
-                ch: self.ch,
             };
             work(waker);
         }
diff --git a/planglib/std/future/primitives.pi b/planglib/std/future/primitives.pi
index 69cc1acf3..7a49edc26 100644
--- a/planglib/std/future/primitives.pi
+++ b/planglib/std/future/primitives.pi
@@ -1,7 +1,6 @@
 use std::chan;
 pub struct Waker {
-    pub wake:|*chan::Chan<|Waker|=>void>|=>void;
-    pub ch:*chan::Chan<|Waker|=>void>;
+    pub wake:||=>void;
 }
 
 pub struct Pending {}
@@ -39,30 +38,28 @@ impl <T> Future<T> for FnFuture<T> {
 
 use std::io;
 
+
 impl <T|R> FutureExt<T|R> for Future<T> {
     fn continue_with(f:|T|=>Future<R>) Future<R> {
         let re = Pending{} as Poll<R>;
         let ff = FnFuture<R>{};
         ff.re = re;
         ff.f = |wk:Waker|=> {
-            let re = self.poll(Waker{wake:|ch|=>{
+            let re = self.poll(Waker{wake:||=>{
                 let re = self.poll(Waker{}) as Ready<T>!;
-
-                ch.send(|_wk:Waker|=>{
-                    let re1 = f(re.v);
-                    let result = re1.poll(wk);
-                    ff.re = result;
-                    if result is Ready<R>{
-                        wk.wake(wk.ch);
-                    }
-                    return;
-                });
-
+                let re1 = f(re.v);
+                let result = re1.poll(wk);
+                ff.re = result;
+                if result is Ready<R>{
+                    wk.wake();
+                }
                 return;
-            },ch:wk.ch});
+            }});
             if re is Ready<T> {
                 let re = f((re as Ready<T>!).v);
-                return re.poll(wk);
+                let result = re.poll(wk);
+                ff.re = result;
+                return result;
             }
             return Pending{} as Poll<R>;
         };
diff --git a/src/ast/ctx/lsp.rs b/src/ast/ctx/lsp.rs
index 2c3f1b17d..d84b4fddf 100644
--- a/src/ast/ctx/lsp.rs
+++ b/src/ast/ctx/lsp.rs
@@ -120,7 +120,8 @@ impl Ctx<'_> {
             .push(range.to_diag_range(), type_index(tp), modifiers)
     }
     pub fn push_type_hints(&self, range: Range, pltype: Arc<RefCell<PLType>>) {
-        if self.need_highlight.borrow().ne(&0) || self.in_macro {
+        let ori_mod = unsafe { &*self.origin_mod as &crate::ast::plmod::Mod };
+        if self.need_highlight.borrow().ne(&0) || self.in_macro || ori_mod.path != self.plmod.path {
             return;
         }
         let colon = InlayHintLabelPart {
@@ -151,7 +152,8 @@ impl Ctx<'_> {
         self.plmod.hints.borrow_mut().push(hint);
     }
     pub fn push_param_hint(&self, range: Range, name: Ustr) {
-        if self.need_highlight.borrow().ne(&0) || self.in_macro {
+        let ori_mod = unsafe { &*self.origin_mod as &crate::ast::plmod::Mod };
+        if self.need_highlight.borrow().ne(&0) || self.in_macro || ori_mod.path != self.plmod.path {
             return;
         }
         let hint = InlayHint {
diff --git a/test/test/future_test.pi b/test/test/future_test.pi
index 59df18e6f..22758e17e 100644
--- a/test/test/future_test.pi
+++ b/test/test/future_test.pi
@@ -13,12 +13,18 @@ pub fn test_future() void {
     let ff1 = f.continue_with(|r:()| => {
         println!("Hello from future");
         return future::nothing_future();
+    }).continue_with(|r:()| => {
+        println!("continue Hello from future");
+        return future::nothing_future();
     });
     
     let f2:future::Future<()> = future::delay(1 as u64);
     let ff2 = f2.continue_with(|r:()| => {
         println!("Hello from future2");
         return future::nothing_future();
+    }).continue_with(|r:()| => {
+        println!("continue Hello from future2");
+        return future::nothing_future();
     });
     exe.spawn(ff1);
     exe.spawn(ff2);