diff --git a/src/main.cpp b/src/main.cpp
index e9591d3..5dee987 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -16,7 +16,7 @@ int main(int argc, char *argv[])
     qputenv("QTSCRCPY_SERVER_PATH", "G:\\mygitcode\\QtScrcpy\\src\\scrcpy-server.jar");
 
     Dialog w;
-    w.move(50, 930);
+    //w.move(50, 930);
     w.show();
 
     return a.exec();
diff --git a/src/yuvglwidget.cpp b/src/yuvglwidget.cpp
index ce2eb70..3e8ab95 100644
--- a/src/yuvglwidget.cpp
+++ b/src/yuvglwidget.cpp
@@ -178,7 +178,7 @@ void YUVGLWidget::bindPixelTexture(GLuint texture, YUVTextureType textureType, q
     makeCurrent();
     glBindTexture(GL_TEXTURE_2D, texture);
     glPixelStorei(GL_UNPACK_ROW_LENGTH, stride);
-    glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, size.width(), size.height(), GL_RED, GL_UNSIGNED_BYTE, pixels);
+    glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, size.width(), size.height(), GL_LUMINANCE, GL_UNSIGNED_BYTE, pixels);
     doneCurrent();
 }
 
@@ -196,7 +196,7 @@ void YUVGLWidget::initTexture(qint32 textureType)
 
     QSize size(0, 0);
     calcTextureSize(textureType, size);
-    glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, size.width(), size.height(), 0, GL_RED, GL_UNSIGNED_BYTE, NULL);
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, size.width(), size.height(), 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL);
 }
 
 void YUVGLWidget::initTextures()