diff --git a/examples/src/raycast-tests/src/lib.pax b/examples/src/raycast-tests/src/lib.pax
index c9a1ca9d5..bfd121866 100644
--- a/examples/src/raycast-tests/src/lib.pax
+++ b/examples/src/raycast-tests/src/lib.pax
@@ -1,8 +1,8 @@
 <Text text={self.hit_outer}/>
 <Text y=50px text={self.hit_inner}/>
-<Frame width=50% @mousemove=self.frame1>
+<Frame width=50% @mouse_move=self.frame1>
 	<Rectangle
-		@mousemove=self.frame1rect1
+		@mouse_move=self.frame1rect1
 		x=30%
 		y=40%
 		anchor_x=50%
@@ -12,7 +12,7 @@
 	    fill={Fill::Solid(Color::hlc(50, 75.0, 150.0))}
 	/>
 	<Rectangle
-		@mousemove=self.frame1rect2
+		@mouse_move=self.frame1rect2
 		x=50%
 		y=50%
 		anchor_x=50%
@@ -22,9 +22,9 @@
 	    fill={Fill::Solid(Color::hlc(20, 75.0, 150.0))}
 	/>
 </Frame>
-<Frame x=50% width=50% @mousemove=self.frame2>
+<Frame x=50% width=50% @mouse_move=self.frame2>
 	<Rectangle
-		@mousemove=self.frame2rect1
+		@mouse_move=self.frame2rect1
 		x=60%
 		y=40%
 		anchor_x=50%
diff --git a/examples/src/raycast-tests/src/lib.rs b/examples/src/raycast-tests/src/lib.rs
index 6a7bac4a3..97782ff8e 100644
--- a/examples/src/raycast-tests/src/lib.rs
+++ b/examples/src/raycast-tests/src/lib.rs
@@ -19,23 +19,23 @@ pub struct Example {
 impl Example {
     pub fn handle_mount(&mut self, ctx: &NodeContext) {}
 
-    pub fn frame1(&mut self, ctx: &NodeContext, args: ArgsMousemove) {
+    pub fn frame1(&mut self, ctx: &NodeContext, args: ArgsMouseMove) {
         self.hit_outer.set(format!("hit outer: frame {}", 1));
     }
 
-    pub fn frame2(&mut self, ctx: &NodeContext, args: ArgsMousemove) {
+    pub fn frame2(&mut self, ctx: &NodeContext, args: ArgsMouseMove) {
         self.hit_outer.set(format!("hit outer: frame {}", 2));
     }
 
-    pub fn frame1rect1(&mut self, ctx: &NodeContext, args: ArgsMousemove) {
+    pub fn frame1rect1(&mut self, ctx: &NodeContext, args: ArgsMouseMove) {
         self.hit_inner.set(format!("hit inner: rect {}", 1));
     }
 
-    pub fn frame1rect2(&mut self, ctx: &NodeContext, args: ArgsMousemove) {
+    pub fn frame1rect2(&mut self, ctx: &NodeContext, args: ArgsMouseMove) {
         self.hit_inner.set(format!("hit inner: rect {}", 2));
     }
 
-    pub fn frame2rect1(&mut self, ctx: &NodeContext, args: ArgsMousemove) {
+    pub fn frame2rect1(&mut self, ctx: &NodeContext, args: ArgsMouseMove) {
         self.hit_inner.set(format!("hit inner: rect {}", 1));
     }
 }
diff --git a/examples/src/words/src/lib.rs b/examples/src/words/src/lib.rs
index 0d56135dc..383bf4ec4 100644
--- a/examples/src/words/src/lib.rs
+++ b/examples/src/words/src/lib.rs
@@ -1,7 +1,7 @@
 use pax_lang::api::{
     ArgsClick, ArgsClap, ArgsScroll, ArgsTouchStart, ArgsTouchMove, ArgsTouchEnd,
-    ArgsKeyDown, ArgsKeyUp, ArgsKeyPress, ArgsDoubleClick, ArgsMousemove, ArgsWheel,
-    ArgsMousedown, ArgsMouseup, ArgsMouseOver, ArgsMouseOut, ArgsContextMenu,
+    ArgsKeyDown, ArgsKeyUp, ArgsKeyPress, ArgsDoubleClick, ArgsMouseMove, ArgsWheel,
+    ArgsMouseDown, ArgsMouseUp, ArgsMouseOver, ArgsMouseOut, ArgsContextMenu,
     NodeContext,  Property, PropertyLiteral
 };
 use pax_lang::Pax;
@@ -59,7 +59,7 @@ impl Words {
         self.content.set("Double Click".to_string());
     }
 
-    pub fn handle_mousemove(&mut self, _ctx: &NodeContext, _args: ArgsMousemove) {
+    pub fn handle_mouse_move(&mut self, _ctx: &NodeContext, _args: ArgsMouseMove) {
         self.content.set("Mouse Move".to_string());
     }
 
@@ -67,11 +67,11 @@ impl Words {
         self.content.set("Wheel".to_string());
     }
 
-    pub fn handle_mousedown(&mut self, _ctx: &NodeContext, _args: ArgsMousedown) {
+    pub fn handle_mouse_down(&mut self, _ctx: &NodeContext, _args: ArgsMouseDown) {
         self.content.set("Mouse Down".to_string());
     }
 
-    pub fn handle_mouseup(&mut self, _ctx: &NodeContext, _args: ArgsMouseup) {
+    pub fn handle_mouse_up(&mut self, _ctx: &NodeContext, _args: ArgsMouseUp) {
         self.content.set("Mouse Up".to_string());
     }
 
diff --git a/examples/src/words/src/words.pax b/examples/src/words/src/words.pax
index 5f3848123..8094a8c3d 100644
--- a/examples/src/words/src/words.pax
+++ b/examples/src/words/src/words.pax
@@ -31,10 +31,10 @@ fill={Fill::linearGradient(
     key_press: handle_key_press,
     click: handle_click,
     double_click: handle_double_click,
-    mousemove: handle_mousemove,
+    mouse_move: handle_mouse_move,
     wheel: handle_wheel,
-    mousedown: handle_mousedown,
-    mouseup: handle_mouseup,
+    mouse_down: handle_mouse_down,
+    mouse_up: handle_mouse_up,
     mouse_over: handle_mouse_over,
     mouse_out: handle_mouse_out,
     context_menu: handle_context_menu,
diff --git a/pax-chassis-web/interface/public/pax-chassis-web-interface.js b/pax-chassis-web/interface/public/pax-chassis-web-interface.js
index cf8a7dc93..e69561464 100644
--- a/pax-chassis-web/interface/public/pax-chassis-web-interface.js
+++ b/pax-chassis-web/interface/public/pax-chassis-web-interface.js
@@ -1631,7 +1631,7 @@ var Pax = (() => {
     }, true);
     layer.addEventListener("mousemove", (evt) => {
       let event = {
-        "Mousemove": {
+        "MouseMove": {
           "x": evt.clientX,
           "y": evt.clientY,
           "button": getMouseButton(evt),
@@ -1654,7 +1654,7 @@ var Pax = (() => {
     }, { "passive": true, "capture": true });
     layer.addEventListener("mousedown", (evt) => {
       let event = {
-        "Mousedown": {
+        "MouseDown": {
           "x": evt.clientX,
           "y": evt.clientY,
           "button": getMouseButton(evt),
@@ -1665,7 +1665,7 @@ var Pax = (() => {
     }, true);
     layer.addEventListener("mouseup", (evt) => {
       let event = {
-        "Mouseup": {
+        "MouseUp": {
           "x": evt.clientX,
           "y": evt.clientY,
           "button": getMouseButton(evt),
diff --git a/pax-chassis-web/interface/src/events/listeners.ts b/pax-chassis-web/interface/src/events/listeners.ts
index 2a05b5b79..a78ff3f08 100644
--- a/pax-chassis-web/interface/src/events/listeners.ts
+++ b/pax-chassis-web/interface/src/events/listeners.ts
@@ -73,7 +73,7 @@ export function setupEventListeners(chassis: PaxChassisWeb, layer: any) {
     // @ts-ignore
     layer.addEventListener('mousemove', (evt) => {
         let event = {
-            "Mousemove": {
+            "MouseMove": {
                 "x": evt.clientX,
                 "y": evt.clientY,
                 "button": getMouseButton(evt),
@@ -98,7 +98,7 @@ export function setupEventListeners(chassis: PaxChassisWeb, layer: any) {
     // @ts-ignore
     layer.addEventListener('mousedown', (evt) => {
         let event = {
-            "Mousedown": {
+            "MouseDown": {
                 "x": evt.clientX,
                 "y": evt.clientY,
                 "button": getMouseButton(evt),
@@ -110,7 +110,7 @@ export function setupEventListeners(chassis: PaxChassisWeb, layer: any) {
     // @ts-ignore
     layer.addEventListener('mouseup', (evt) => {
         let event = {
-            "Mouseup": {
+            "MouseUp": {
                 "x": evt.clientX,
                 "y": evt.clientY,
                 "button": getMouseButton(evt),
diff --git a/pax-chassis-web/src/lib.rs b/pax-chassis-web/src/lib.rs
index 2e65e9446..9ea535385 100644
--- a/pax-chassis-web/src/lib.rs
+++ b/pax-chassis-web/src/lib.rs
@@ -20,7 +20,7 @@ use pax_core::{PaxEngine, Renderer};
 use pax_message::{ImageLoadInterruptArgs, NativeInterrupt};
 use pax_runtime_api::{
     ArgsClap, ArgsClick, ArgsContextMenu, ArgsDoubleClick, ArgsKeyDown, ArgsKeyPress, ArgsKeyUp,
-    ArgsMouseOut, ArgsMouseOver, ArgsMousedown, ArgsMousemove, ArgsMouseup, ArgsScroll,
+    ArgsMouseDown, ArgsMouseMove, ArgsMouseOut, ArgsMouseOver, ArgsMouseUp, ArgsScroll,
     ArgsTouchEnd, ArgsTouchMove, ArgsTouchStart, ArgsWheel, KeyboardEventArgs, ModifierKey,
     MouseButton, MouseEventArgs, Touch,
 };
@@ -336,10 +336,10 @@ impl PaxChassisWeb {
                     topmost_node.dispatch_double_click(args_double_click, globals);
                 }
             }
-            NativeInterrupt::Mousemove(args) => {
+            NativeInterrupt::MouseMove(args) => {
                 let prospective_hit = engine.get_topmost_element_beneath_ray((args.x, args.y));
                 if let Some(topmost_node) = prospective_hit {
-                    let args_mousemove = ArgsMousemove {
+                    let args_mouse_move = ArgsMouseMove {
                         mouse: MouseEventArgs {
                             x: args.x,
                             y: args.y,
@@ -351,7 +351,7 @@ impl PaxChassisWeb {
                                 .collect(),
                         },
                     };
-                    topmost_node.dispatch_mousemove(args_mousemove, globals);
+                    topmost_node.dispatch_mouse_move(args_mouse_move, globals);
                 }
             }
             NativeInterrupt::Wheel(args) => {
@@ -372,10 +372,10 @@ impl PaxChassisWeb {
                     topmost_node.dispatch_wheel(args_wheel, globals);
                 }
             }
-            NativeInterrupt::Mousedown(args) => {
+            NativeInterrupt::MouseDown(args) => {
                 let prospective_hit = engine.get_topmost_element_beneath_ray((args.x, args.y));
                 if let Some(topmost_node) = prospective_hit {
-                    let args_mousedown = ArgsMousedown {
+                    let args_mouse_down = ArgsMouseDown {
                         mouse: MouseEventArgs {
                             x: args.x,
                             y: args.y,
@@ -387,13 +387,13 @@ impl PaxChassisWeb {
                                 .collect(),
                         },
                     };
-                    topmost_node.dispatch_mousedown(args_mousedown, globals);
+                    topmost_node.dispatch_mouse_down(args_mouse_down, globals);
                 }
             }
-            NativeInterrupt::Mouseup(args) => {
+            NativeInterrupt::MouseUp(args) => {
                 let prospective_hit = engine.get_topmost_element_beneath_ray((args.x, args.y));
                 if let Some(topmost_node) = prospective_hit {
-                    let args_mouseup = ArgsMouseup {
+                    let args_mouse_up = ArgsMouseUp {
                         mouse: MouseEventArgs {
                             x: args.x,
                             y: args.y,
@@ -405,7 +405,7 @@ impl PaxChassisWeb {
                                 .collect(),
                         },
                     };
-                    topmost_node.dispatch_mouseup(args_mouseup, globals);
+                    topmost_node.dispatch_mouse_up(args_mouse_up, globals);
                 }
             }
             NativeInterrupt::MouseOver(args) => {
diff --git a/pax-core/src/engine.rs b/pax-core/src/engine.rs
index 0c82b61a8..1375495a2 100644
--- a/pax-core/src/engine.rs
+++ b/pax-core/src/engine.rs
@@ -7,8 +7,8 @@ use pax_message::{NativeMessage, OcclusionPatch};
 
 use pax_runtime_api::{
     ArgsButtonClick, ArgsCheckboxChange, ArgsClap, ArgsClick, ArgsContextMenu, ArgsDoubleClick,
-    ArgsKeyDown, ArgsKeyPress, ArgsKeyUp, ArgsMouseOut, ArgsMouseOver, ArgsMousedown,
-    ArgsMousemove, ArgsMouseup, ArgsScroll, ArgsTextboxChange, ArgsTouchEnd, ArgsTouchMove,
+    ArgsKeyDown, ArgsKeyPress, ArgsKeyUp, ArgsMouseDown, ArgsMouseMove, ArgsMouseOut,
+    ArgsMouseOver, ArgsMouseUp, ArgsScroll, ArgsTextboxChange, ArgsTouchEnd, ArgsTouchMove,
     ArgsTouchStart, ArgsWheel, CommonProperties, Interpolatable, Layer, NodeContext,
     OcclusionLayerGen, RenderContext, TransitionManager,
 };
@@ -91,9 +91,9 @@ pub struct HandlerRegistry {
     pub button_click_handlers: Vec<fn(Rc<RefCell<dyn Any>>, &NodeContext, ArgsButtonClick)>,
     pub textbox_change_handlers: Vec<fn(Rc<RefCell<dyn Any>>, &NodeContext, ArgsTextboxChange)>,
     pub click_handlers: Vec<fn(Rc<RefCell<dyn Any>>, &NodeContext, ArgsClick)>,
-    pub mousedown_handlers: Vec<fn(Rc<RefCell<dyn Any>>, &NodeContext, ArgsMousedown)>,
-    pub mouseup_handlers: Vec<fn(Rc<RefCell<dyn Any>>, &NodeContext, ArgsMouseup)>,
-    pub mousemove_handlers: Vec<fn(Rc<RefCell<dyn Any>>, &NodeContext, ArgsMousemove)>,
+    pub mouse_down_handlers: Vec<fn(Rc<RefCell<dyn Any>>, &NodeContext, ArgsMouseDown)>,
+    pub mouse_up_handlers: Vec<fn(Rc<RefCell<dyn Any>>, &NodeContext, ArgsMouseUp)>,
+    pub mouse_move_handlers: Vec<fn(Rc<RefCell<dyn Any>>, &NodeContext, ArgsMouseMove)>,
     pub mouse_over_handlers: Vec<fn(Rc<RefCell<dyn Any>>, &NodeContext, ArgsMouseOver)>,
     pub mouse_out_handlers: Vec<fn(Rc<RefCell<dyn Any>>, &NodeContext, ArgsMouseOut)>,
     pub double_click_handlers: Vec<fn(Rc<RefCell<dyn Any>>, &NodeContext, ArgsDoubleClick)>,
@@ -116,9 +116,9 @@ impl Default for HandlerRegistry {
             key_up_handlers: Vec::new(),
             key_press_handlers: Vec::new(),
             click_handlers: Vec::new(),
-            mousedown_handlers: Vec::new(),
-            mouseup_handlers: Vec::new(),
-            mousemove_handlers: Vec::new(),
+            mouse_down_handlers: Vec::new(),
+            mouse_up_handlers: Vec::new(),
+            mouse_move_handlers: Vec::new(),
             mouse_over_handlers: Vec::new(),
             mouse_out_handlers: Vec::new(),
             double_click_handlers: Vec::new(),
diff --git a/pax-core/src/engine/expanded_node.rs b/pax-core/src/engine/expanded_node.rs
index f328f254f..e5a076328 100644
--- a/pax-core/src/engine/expanded_node.rs
+++ b/pax-core/src/engine/expanded_node.rs
@@ -8,8 +8,8 @@ use kurbo::Point;
 
 use pax_runtime_api::{
     ArgsButtonClick, ArgsCheckboxChange, ArgsClap, ArgsClick, ArgsContextMenu, ArgsDoubleClick,
-    ArgsKeyDown, ArgsKeyPress, ArgsKeyUp, ArgsMouseOut, ArgsMouseOver, ArgsMousedown,
-    ArgsMousemove, ArgsMouseup, ArgsScroll, ArgsTextboxChange, ArgsTouchEnd, ArgsTouchMove,
+    ArgsKeyDown, ArgsKeyPress, ArgsKeyUp, ArgsMouseDown, ArgsMouseMove, ArgsMouseOut,
+    ArgsMouseOver, ArgsMouseUp, ArgsScroll, ArgsTextboxChange, ArgsTouchEnd, ArgsTouchMove,
     ArgsTouchStart, ArgsWheel, Axis, CommonProperties, NodeContext, RenderContext, Size,
 };
 
@@ -445,9 +445,9 @@ impl ExpandedNode {
         ArgsButtonClick,
         button_click_handlers
     );
-    dispatch_event_handler!(dispatch_mousedown, ArgsMousedown, mousedown_handlers);
-    dispatch_event_handler!(dispatch_mouseup, ArgsMouseup, mouseup_handlers);
-    dispatch_event_handler!(dispatch_mousemove, ArgsMousemove, mousemove_handlers);
+    dispatch_event_handler!(dispatch_mouse_down, ArgsMouseDown, mouse_down_handlers);
+    dispatch_event_handler!(dispatch_mouse_up, ArgsMouseUp, mouse_up_handlers);
+    dispatch_event_handler!(dispatch_mouse_move, ArgsMouseMove, mouse_move_handlers);
     dispatch_event_handler!(dispatch_mouse_over, ArgsMouseOver, mouse_over_handlers);
     dispatch_event_handler!(dispatch_mouse_out, ArgsMouseOut, mouse_out_handlers);
     dispatch_event_handler!(
diff --git a/pax-language-server/src/completion.rs b/pax-language-server/src/completion.rs
index 6e1788e9b..c63a341ab 100644
--- a/pax-language-server/src/completion.rs
+++ b/pax-language-server/src/completion.rs
@@ -289,9 +289,9 @@ lazy_static! {
             ("key_up", "Set Key Up event handler"),
             ("key_press", "Set Key Press event handler"),
             ("click", "Set Click event handler"),
-            ("mousedown", "Set Mouse Down event handler"),
-            ("mouseup", "Set Mouse Up event handler"),
-            ("mousemove", "Set Mouse Move event handler"),
+            ("mouse_down", "Set Mouse Down event handler"),
+            ("mouse_up", "Set Mouse Up event handler"),
+            ("mouse_move", "Set Mouse Move event handler"),
             ("mouse_over", "Set Mouse Over event handler"),
             ("mouse_out", "Set Mouse Out event handler"),
             ("double_click", "Set Double Click event handler"),
diff --git a/pax-message/src/lib.rs b/pax-message/src/lib.rs
index 42f7758d8..e91a89570 100644
--- a/pax-message/src/lib.rs
+++ b/pax-message/src/lib.rs
@@ -48,10 +48,10 @@ pub enum NativeInterrupt {
     KeyPress(KeyPressInterruptArgs),
     Click(ClickInterruptArgs),
     DoubleClick(DoubleClickInterruptArgs),
-    Mousemove(MousemoveInterruptArgs),
+    MouseMove(MouseMoveInterruptArgs),
     Wheel(WheelInterruptArgs),
-    Mousedown(MousedownInterruptArgs),
-    Mouseup(MouseupInterruptArgs),
+    MouseDown(MouseDownInterruptArgs),
+    MouseUp(MouseUpInterruptArgs),
     MouseOver(MouseOverInterruptArgs),
     MouseOut(MouseOutInterruptArgs),
     ContextMenu(ContextMenuInterruptArgs),
@@ -186,7 +186,7 @@ pub struct DoubleClickInterruptArgs {
 
 #[derive(Deserialize)]
 #[repr(C)]
-pub struct MousemoveInterruptArgs {
+pub struct MouseMoveInterruptArgs {
     pub x: f64,
     pub y: f64,
     pub button: MouseButtonMessage,
@@ -205,7 +205,7 @@ pub struct WheelInterruptArgs {
 
 #[derive(Deserialize)]
 #[repr(C)]
-pub struct MousedownInterruptArgs {
+pub struct MouseDownInterruptArgs {
     pub x: f64,
     pub y: f64,
     pub button: MouseButtonMessage,
@@ -214,7 +214,7 @@ pub struct MousedownInterruptArgs {
 
 #[derive(Deserialize)]
 #[repr(C)]
-pub struct MouseupInterruptArgs {
+pub struct MouseUpInterruptArgs {
     pub x: f64,
     pub y: f64,
     pub button: MouseButtonMessage,
diff --git a/pax-runtime-api/src/lib.rs b/pax-runtime-api/src/lib.rs
index 1326ffbc1..484caa960 100644
--- a/pax-runtime-api/src/lib.rs
+++ b/pax-runtime-api/src/lib.rs
@@ -267,7 +267,7 @@ pub struct ArgsDoubleClick {
 
 /// User moves the mouse while it is over an element.
 #[derive(Clone)]
-pub struct ArgsMousemove {
+pub struct ArgsMouseMove {
     pub mouse: MouseEventArgs,
 }
 
@@ -296,13 +296,13 @@ pub struct ArgsButtonClick {}
 
 /// User presses a mouse button over an element.
 #[derive(Clone)]
-pub struct ArgsMousedown {
+pub struct ArgsMouseDown {
     pub mouse: MouseEventArgs,
 }
 
 /// User releases a mouse button over an element.
 #[derive(Clone)]
-pub struct ArgsMouseup {
+pub struct ArgsMouseUp {
     pub mouse: MouseEventArgs,
 }