diff --git a/TdGame/TdGame/game_manager.h b/TdGame/TdGame/game_manager.h
index 49e3e85..1791923 100644
--- a/TdGame/TdGame/game_manager.h
+++ b/TdGame/TdGame/game_manager.h
@@ -43,7 +43,8 @@ public:
 			SDL_RenderClear(renderer);
 			
 			on_render();
-
+			
+			//渲染器上的内容显示在窗口上
 			SDL_RenderPresent(renderer);
 
 		}
@@ -154,7 +155,7 @@ private:
 		rect_tile_map.x = (config->basic_template.window_width - width_tex_tile_map) / 2;//左上角顶点坐标，因为希望画面是在窗口中间！！
 		rect_tile_map.y = (config->basic_template.window_height - height_tex_tile_map) / 2;
 		rect_tile_map.w = width_tex_tile_map;
-		rect_tile_map.h = height_tex_tile_map;//后期渲染目标react设置完成;
+		rect_tile_map.h = height_tex_tile_map;//后期渲染目标矩形设置完成;
 
 		//设置纹理的混合模式
 		SDL_SetTextureBlendMode(tex_tile_map, SDL_BLENDMODE_BLEND);
@@ -184,7 +185,7 @@ private:
 				};
 				SDL_RenderCopy(renderer, tex_tile_set, &rect_src, &rect_dst);//地形层结束
 			
-				//判断装饰物层是否有
+				//判断是否有装饰物层
 				if (tile.decoration >= 0)
 				{
 					rect_src =
@@ -207,7 +208,7 @@ private:
 		};
 		SDL_RenderCopy(renderer, ResourcesManager::instance()->get_texture_pool().find(ResID::Tex_Home)->second, nullptr, &rect_dst);
 
-		//一定要设置回空
+		//结束渲染后，目标一定要置空
 		SDL_SetRenderTarget(renderer, nullptr);
 
 		return true;