diff --git a/radar-g/src/components/monitor/monitor.rs b/radar-g/src/components/monitor/monitor.rs
index 225ffd5..5bf8a43 100644
--- a/radar-g/src/components/monitor/monitor.rs
+++ b/radar-g/src/components/monitor/monitor.rs
@@ -152,7 +152,7 @@ impl Component for MonitorModel {
                 });
             }
             MonitorInputMsg::QueueDraw => {
-                widgets.renderer.queue_draw();
+                widgets.renderer.queue_render();
             }
 
             // MonitorInputMsg::KeyPress(key) => {
diff --git a/radar-g/src/widgets/render/imp.rs b/radar-g/src/widgets/render/imp.rs
index 6e1b412..2642991 100644
--- a/radar-g/src/widgets/render/imp.rs
+++ b/radar-g/src/widgets/render/imp.rs
@@ -129,6 +129,7 @@ impl ObjectImpl for Render {
 impl WidgetImpl for Render {
     fn realize(&self) {
         self.parent_realize();
+        self.ensure_canvas();
     }
     fn unrealize(&self) {
         self.obj().make_current();
@@ -157,7 +158,6 @@ impl GLAreaImpl for Render {
     }
 
     fn render(&self, context: &gtk::gdk::GLContext) -> glib::Propagation {
-        self.ensure_canvas();
         let viewport = self.viewport.borrow();
         let viewport = viewport.as_ref().unwrap();
 
@@ -169,8 +169,6 @@ impl GLAreaImpl for Render {
             gl.clear_color(0.0, 0.0, 0.0, 1.0);
             gl.clear(glow::COLOR_BUFFER_BIT | glow::DEPTH_BUFFER_BIT);
             gl.enable(glow::DEPTH_TEST);
-            // gl.enable(glow::BLEND);
-            // gl.blend_func(glow::SRC_ALPHA, glow::ONE_MINUS_SRC_ALPHA);
         }
 
         if let Some(gi) = gi.as_mut() {
@@ -197,6 +195,7 @@ impl Render {
     fn ensure_canvas(&self) {
         use gi::{App as GI, Helper, GL};
         let widget = self.obj();
+        widget.make_current();
         widget.attach_buffers();
         if self.gi.borrow().is_none() {
             info!("Creating canvas");
@@ -208,26 +207,7 @@ impl Render {
 
                 let version = unsafe { ctx.get_parameter_string(glow::VERSION) };
                 info!("OpenGL Version: {}", version);
-
-                if ctx.supported_extensions().contains("GL_ARB_debug_output") {
-                    unsafe {
-                        ctx.debug_message_callback(|source, _type, id, severity, message| {
-                            println!(
-                                "GL ARB Debug Message: Source: {:?}, ID: {}, Severity: {:?}, Message: {}",
-                                source,
-                                id,
-                                severity,
-                                message
-                            );
-                        });
-                        ctx.enable(glow::DEBUG_OUTPUT);
-                        ctx.enable(glow::DEBUG_OUTPUT_SYNCHRONOUS);
-                    }
-                } else {
-                    info!("GL_ARB_debug_output not supported");
-                }
-
-                // enable_opengl_debugging(&mut ctx);
+                enable_opengl_debugging(&mut ctx);
 
                 let id =
                     NonZeroU32::new(ctx.get_parameter_i32(glow::DRAW_FRAMEBUFFER_BINDING) as u32)
@@ -319,15 +299,21 @@ fn gl_debug_output(
     }
 }
 
-fn enable_opengl_debugging(gl: &mut glow::Context) {
+fn enable_opengl_debugging(ctx: &mut glow::Context) {
     unsafe {
-        gl.enable(glow::DEBUG_OUTPUT);
-        gl.enable(glow::DEBUG_OUTPUT_SYNCHRONOUS); // 确保错误信息立即显示
-        gl.debug_message_callback(|source, _type, id, severity, message| {
-            println!(
-                "GL Debug Message: Source: {:?}, ID: {}, Severity: {:?}, Message: {}",
-                source, id, severity, message
-            );
-        });
+        if ctx.supported_extensions().contains("GL_ARB_debug_output") {
+            unsafe {
+                ctx.debug_message_callback(|source, _type, id, severity, message| {
+                    println!(
+                        "GL ARB Debug Message: Source: {:?}, ID: {}, Severity: {:?}, Message: {}",
+                        source, id, severity, message
+                    );
+                });
+                ctx.enable(glow::DEBUG_OUTPUT);
+                ctx.enable(glow::DEBUG_OUTPUT_SYNCHRONOUS);
+            }
+        } else {
+            info!("GL_ARB_debug_output not supported");
+        }
     }
 }