diff --git a/.gitignore b/.gitignore
index 9fbeebf..7d419a7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -166,4 +166,5 @@ pnnx*
 /ultralytics/assets/
 
 # dataset cache 
-*.cache
\ No newline at end of file
+*.cache
+.conda
diff --git a/test_yaml.py b/test_yaml.py
index bb5db76..d465d52 100644
--- a/test_yaml.py
+++ b/test_yaml.py
@@ -5,25 +5,14 @@ from ultralytics import YOLO
 
 if __name__ == '__main__':
     error_result = []
-    for yaml_path in tqdm.tqdm(os.listdir('ultralytics/cfg/models/v8')):
-        if 'rtdetr' not in yaml_path and 'cls' not in yaml_path and 'world' not in yaml_path:
-            try:
-                model = YOLO(f'ultralytics/cfg/models/v8/{yaml_path}')
-                model.info(detailed=True)
-                model.profile([640, 640])
-                model.fuse()
-            except Exception as e:
-                error_result.append(f'{yaml_path} {e}')
-    
-    for yaml_path in tqdm.tqdm(os.listdir('ultralytics/cfg/models/v10')):
-        if 'rtdetr' not in yaml_path and 'cls' not in yaml_path and 'world' not in yaml_path:
-            try:
-                model = YOLO(f'ultralytics/cfg/models/v10/{yaml_path}')
-                model.info(detailed=True)
-                model.profile([640, 640])
-                model.fuse()
-            except Exception as e:
-                error_result.append(f'{yaml_path} {e}')
     
+    try:
+        model = YOLO(f'ultralytics/cfg/models/mtl/yolov8-cls.yaml')
+        model.info(detailed=True)
+        model.profile([224, 224])
+        model.fuse()
+    except Exception as e:
+        print(e)
+
     for i in error_result:
         print(i)
\ No newline at end of file
diff --git a/train.py b/train.py
index 1d3736b..cb55960 100644
--- a/train.py
+++ b/train.py
@@ -5,50 +5,10 @@ import warnings, os
 warnings.filterwarnings('ignore')
 from ultralytics import YOLO
 
-# BILIBILI UP 魔傀面具
-# 训练参数官方详解链接：https://docs.ultralytics.com/modes/train/#resuming-interrupted-trainings:~:text=a%20training%20run.-,Train%20Settings,-The%20training%20settings
-
-# 指定显卡和多卡训练问题 统一都在<YOLOV8V10配置文件.md>下方常见错误和解决方案。
-# 训练过程中loss出现nan，可以尝试关闭AMP，就是把下方amp=False的注释去掉。
-# 训练时候输出的AMP Check使用的YOLOv8n的权重不是代表载入了预训练权重的意思，只是用于测试AMP，正常的不需要理会。
-# 整合多个创新点的B站视频链接:https://www.bilibili.com/video/BV15H4y1Y7a2/
-# 更多问题解答请看使用说明.md下方<常见疑问>
-
-# YOLOV8源码常见疑问解答小课堂
-# 1. [关于配置文件中Optimizer参数为auto的时候，究竟Optimizer会怎么选用呢？](https://www.bilibili.com/video/BV1K34y1w7cZ/)
-# 2. [best.pt究竟是根据什么指标来保存的?](https://www.bilibili.com/video/BV1jN411M7MA/)
-# 3. [数据增强在yolov8中的应用](https://www.bilibili.com/video/BV1aQ4y1g7ah/)
-# 4. [如何添加FPS计算代码和FPS的相关的一些疑问](https://www.bilibili.com/video/BV1Sw411g7DD/)
-# 5. [预测框粗细颜色修改与精度小数位修改](https://www.bilibili.com/video/BV12K421a7rH/)
-# 6. [导出改进/剪枝的onnx模型和讲解onnx-opset和onnxsim的作用](https://www.bilibili.com/video/BV1CK421e7Y3/)
-# 7. [YOLOV8模型详细讲解(包含该如何改进YOLOV8)(刚入门小白，需要改进YOLOV8的同学必看！)](https://www.bilibili.com/video/BV1Ms421u7VH/)
-# 8. [学习率变化问题](https://www.bilibili.com/video/BV1frnferEL1/)
-
-# 一些非常推荐小白看的视频链接
-# 1. [YOLOV8模型详细讲解(包含该如何改进YOLOV8)(刚入门小白，需要改进YOLOV8的同学必看！)](https://www.bilibili.com/video/BV1Ms421u7VH/)
-# 2. [提升多少才能发paper？轻量化需要看什么指标？需要轻量化到什么程度才能发paper？这期给大家一一解答！](https://www.bilibili.com/video/BV1QZ421M7gu/)
-# 3. [深度学习实验部分常见疑问解答！(小白刚入门必看！少走弯路！少自我内耗！)](https://www.bilibili.com/video/BV1Bz421B7pC/)
-#     ```
-#     1. 如何衡量自己的所做的工作量够不够？
-#     2. 为什么别人的论文说这个模块对xxx有作用，但是我自己用的时候还掉点了？
-#     3. 提升是和什么模型相比呢 比如和yolov8这种基础模型比还是和别人提出的目前最好的模型比
-#     4. 对比不同的模型的时候，输入尺寸，学习率，学习次数这些是否需要一致？
-#     ```
-# 4. [深度学习实验部分常见疑问解答二！(小白刚入门必看！少走弯路！少自我内耗！)](https://www.bilibili.com/video/BV1ZM4m1m785/)
-#     ```
-#     1. 为什么我用yolov8自带的coco8、coco128训练出来的效果很差？
-#     2. 我的数据集很大，机器跑得慢，我是否可以用数据集的百分之10的数据去测试这个改进点是否有效？有效再跑整个数据集？
-#     ```
-# 5. [深度学习实验部分常见疑问解答三！(怎么判断模型是否收敛？模型过拟合怎么办？)](https://www.bilibili.com/video/BV11S421d76P/)
-# 6. [YOLO系列模型训练结果详细解答！(训练过程的一些疑问，该放哪个文件运行出来的结果、参数量计算量在哪里看..等等问题)](https://www.bilibili.com/video/BV11b421J7Vx/)
-# 7. [深度学习论文实验中新手非常容易陷入的一个误区：抱着解决xxx问题的心态去做实验](https://www.bilibili.com/video/BV1kkkvYJEHG/)
-# 8. [深度学习实验准备-数据集怎么选？有哪些需要注意的点？](https://www.bilibili.com/video/BV11zySYvEhs/)
-# 9. [深度学习炼丹必备必看必须知道的小技巧！](https://www.bilibili.com/video/BV1q3SZYsExc/)
-
 if __name__ == '__main__':
-    model = YOLO('ultralytics/cfg/models/v8/yolov8n.yaml')
+    model = YOLO('ultralytics/cfg/models/v8/yolov8n-cls.yaml')
     # model.load('yolov8n.pt') # loading pretrain weights
-    model.train(data='/root/code/dataset/dataset_visdrone/data.yaml',
+    model.train(data='G:/skin-cancer-detection',
                 cache=False,
                 imgsz=640,
                 epochs=300,
diff --git a/ultralytics/cfg/models/mtl/yolov8-cls.yaml b/ultralytics/cfg/models/mtl/yolov8-cls.yaml
new file mode 100644
index 0000000..fd0a8e4
--- /dev/null
+++ b/ultralytics/cfg/models/mtl/yolov8-cls.yaml
@@ -0,0 +1,14 @@
+# Ultralytics YOLO 🚀, AGPL-3.0 license
+# YOLOv8-cls image classification model. For Usage examples see https://docs.ultralytics.com/tasks/classify
+
+# Parameters
+nc: 38 # number of classes
+
+# YOLOv8.0n backbone
+backbone:
+  # [from, repeats, module, args]
+  - [-1, 1, ResNet18, []] # 0-P1/2
+
+# YOLOv8.0n head
+head:
+  - [-1, 1, Classify, [nc]] # Classify
diff --git a/ultralytics/nn/backbone/resnet.py b/ultralytics/nn/backbone/resnet.py
new file mode 100644
index 0000000..882cf01
--- /dev/null
+++ b/ultralytics/nn/backbone/resnet.py
@@ -0,0 +1,182 @@
+import torch
+import torch.nn as nn
+import torch.nn.functional as F
+ 
+__all__ = [ 'ResNet18','ResNet34','ResNet50']
+ 
+'''-------------一、BasicBlock模块-----------------------------'''
+# 用于ResNet18和ResNet34基本残差结构块
+class BasicBlock(nn.Module):
+    def __init__(self, inchannel, outchannel, stride=1):
+        super(BasicBlock, self).__init__()
+        self.left = nn.Sequential(
+            nn.Conv2d(inchannel, outchannel, kernel_size=3, stride=stride, padding=1, bias=False),
+            nn.BatchNorm2d(outchannel),
+            nn.ReLU(inplace=True), #inplace=True表示进行原地操作，一般默认为False，表示新建一个变量存储操作
+            nn.Conv2d(outchannel, outchannel, kernel_size=3, stride=1, padding=1, bias=False),
+            nn.BatchNorm2d(outchannel)
+        )
+        self.shortcut = nn.Sequential()
+        #论文中模型架构的虚线部分，需要下采样
+        if stride != 1 or inchannel != outchannel:
+            self.shortcut = nn.Sequential(
+                nn.Conv2d(inchannel, outchannel, kernel_size=1, stride=stride, bias=False),
+                nn.BatchNorm2d(outchannel)
+            )
+ 
+    def forward(self, x):
+        out = self.left(x) #这是由于残差块需要保留原始输入
+        out += self.shortcut(x)#这是ResNet的核心，在输出上叠加了输入x
+        out = F.relu(out)
+        return out
+ 
+ 
+'''-------------二、Bottleneck模块-----------------------------'''
+# 用于ResNet50及以上的残差结构块
+class Bottleneck(nn.Module):
+    def __init__(self, inchannel, outchannel, stride=1):
+        super(Bottleneck, self).__init__()
+        self.left = nn.Sequential(
+            nn.Conv2d(inchannel, int(outchannel / 4), kernel_size=1, stride=stride, padding=0, bias=False),
+            nn.BatchNorm2d(int(outchannel / 4)),
+            nn.ReLU(inplace=True),
+            nn.Conv2d(int(outchannel / 4), int(outchannel / 4), kernel_size=3, stride=1, padding=1, bias=False),
+            nn.BatchNorm2d(int(outchannel / 4)),
+            nn.ReLU(inplace=True),
+            nn.Conv2d(int(outchannel / 4), outchannel, kernel_size=1, stride=1, padding=0, bias=False),
+            nn.BatchNorm2d(outchannel),
+        )
+        self.shortcut = nn.Sequential()
+        if stride != 1 or inchannel != outchannel:
+            self.shortcut = nn.Sequential(
+                nn.Conv2d(inchannel, outchannel, kernel_size=1, stride=stride, bias=False),
+                nn.BatchNorm2d(outchannel)
+            )
+ 
+    def forward(self, x):
+        out = self.left(x)
+        y = self.shortcut(x)
+        out += self.shortcut(x)
+        out = F.relu(out)
+        return out
+ 
+'''-------------ResNet18---------------'''
+class ResNet_18(nn.Module):
+    def __init__(self, ResidualBlock, num_classes=10):
+        super(ResNet_18, self).__init__()
+        self.inchannel = 64
+        self.conv1 = nn.Sequential(
+            nn.Conv2d(3, 64, kernel_size=3, stride=1, padding=1, bias=False),
+            nn.BatchNorm2d(64),
+            nn.ReLU(),
+        )
+        self.layer1 = self.make_layer(ResidualBlock, 64, 2, stride=1)
+        self.layer2 = self.make_layer(ResidualBlock, 128, 2, stride=2)
+        self.layer3 = self.make_layer(ResidualBlock, 256, 2, stride=2)
+        self.layer4 = self.make_layer(ResidualBlock, 512, 2, stride=2)
+        self.channel = [i.size(1) for i in self.forward(torch.randn(1, 3, 224, 224))]
+ 
+    def make_layer(self, block, channels, num_blocks, stride):
+        strides = [stride] + [1] * (num_blocks - 1)  # strides=[1,1]
+        layers = []
+        for stride in strides:
+            layers.append(block(self.inchannel, channels, stride))
+            self.inchannel = channels
+        return nn.Sequential(*layers)
+ 
+    def forward(self, x):  # 3*32*32
+        out = self.conv1(x)  # 64*32*32
+        out = self.layer1(out)  # 64*32*32
+        out = self.layer2(out)  # 128*16*16
+        out = self.layer3(out)  # 256*8*8
+        out = self.layer4(out)  # 512*4*4
+        out = F.avg_pool2d(out, 4)  # 512*1*1
+        return out
+ 
+'''-------------ResNet34---------------'''
+class ResNet_34(nn.Module):
+    def __init__(self, ResidualBlock, num_classes=10):
+        super(ResNet_34, self).__init__()
+        self.inchannel = 64
+        self.conv1 = nn.Sequential(
+            nn.Conv2d(3, 64, kernel_size=3, stride=1, padding=1, bias=False),
+            nn.BatchNorm2d(64),
+            nn.ReLU(),
+        )
+        self.layer1 = self.make_layer(ResidualBlock, 64, 3, stride=1)
+        self.layer2 = self.make_layer(ResidualBlock, 128, 4, stride=2)
+        self.layer3 = self.make_layer(ResidualBlock, 256, 6, stride=2)
+        self.layer4 = self.make_layer(ResidualBlock, 512, 3, stride=2)
+        self.channel = [i.size(1) for i in self.forward(torch.randn(1, 3, 224, 224))]
+ 
+    def make_layer(self, block, channels, num_blocks, stride):
+        strides = [stride] + [1] * (num_blocks - 1)  # strides=[1,1]
+        layers = []
+        for stride in strides:
+            layers.append(block(self.inchannel, channels, stride))
+            self.inchannel = channels
+        return nn.Sequential(*layers)
+ 
+    def forward(self, x):  # 3*32*32
+        out = self.conv1(x)  # 64*32*32
+        out = self.layer1(out)  # 64*32*32
+        out = self.layer2(out)  # 128*16*16
+        out = self.layer3(out)  # 256*8*8
+        out = self.layer4(out)  # 512*4*4
+        out = F.avg_pool2d(out, 4)  # 512*1*1
+        out = out.view(out.size(0), -1)  # 512
+        return out
+ 
+'''-------------ResNet50---------------'''
+class ResNet_50(nn.Module):
+    def __init__(self, ResidualBlock, num_classes=10):
+        super(ResNet_50, self).__init__()
+        self.inchannel = 64
+        self.conv1 = nn.Sequential(
+            nn.Conv2d(3, 64, kernel_size=3, stride=1, padding=1, bias=False),
+            nn.BatchNorm2d(64),
+            nn.ReLU(),
+        )
+        self.layer1 = self.make_layer(ResidualBlock, 256, 3, stride=1)
+        self.layer2 = self.make_layer(ResidualBlock, 512, 4, stride=2)
+        self.layer3 = self.make_layer(ResidualBlock, 1024, 6, stride=2)
+        self.layer4 = self.make_layer(ResidualBlock, 2048, 3, stride=2)
+        self.channel = [i.size(1) for i in self.forward(torch.randn(1, 3, 224, 224))]
+        # **************************
+ 
+    def make_layer(self, block, channels, num_blocks, stride):
+        strides = [stride] + [1] * (num_blocks - 1)  # strides=[1,1]
+        layers = []
+        for stride in strides:
+            layers.append(block(self.inchannel, channels, stride))
+            self.inchannel = channels
+        return nn.Sequential(*layers)
+ 
+    def forward(self, x):  # 3*32*32
+        out = self.conv1(x)  # 64*32*32
+        out = self.layer1(out)  # 64*32*32
+        out = self.layer2(out)  # 128*16*16
+        out = self.layer3(out)  # 256*8*8
+        out = self.layer4(out)  # 512*4*4
+        out = F.avg_pool2d(out, 4)  # 512*1*1
+        # print(out.size())
+        return out
+ 
+ 
+def ResNet18():
+    return ResNet_18(BasicBlock)
+ 
+ 
+def ResNet34():
+    return ResNet_34(BasicBlock)
+ 
+ 
+def ResNet50():
+    return ResNet_50(Bottleneck)
+
+if __name__ == '__main__':
+    model = ResNet18()
+    inputs = torch.randn((1, 3, 224, 224))
+    res = model(inputs)
+    for i in res:
+        print(i.size())
\ No newline at end of file
diff --git a/ultralytics/nn/tasks.py b/ultralytics/nn/tasks.py
index e4673dd..258ab74 100644
--- a/ultralytics/nn/tasks.py
+++ b/ultralytics/nn/tasks.py
@@ -93,6 +93,7 @@ from ultralytics.nn.backbone.revcol import *
 from ultralytics.nn.backbone.lsknet import *
 from ultralytics.nn.backbone.SwinTransformer import *
 from ultralytics.nn.backbone.repvit import *
+from ultralytics.nn.backbone.resnet import *
 from ultralytics.nn.backbone.CSwomTramsformer import *
 from ultralytics.nn.backbone.UniRepLKNet import *
 from ultralytics.nn.backbone.TransNext import *
@@ -871,7 +872,7 @@ def torch_safe_load(weight):
                 "ultralytics.nn.tasks.YOLOv10DetectionModel": "ultralytics.nn.tasks.DetectionModel",  # YOLOv10
             },
         ):
-            ckpt = torch.load(file, map_location="cpu")
+            ckpt = torch.load(file, map_location="cpu",weights_only=False)
 
     except ModuleNotFoundError as e:  # e.name is missing module name
         if e.name == "models":
@@ -1150,7 +1151,8 @@ def parse_model(d, ch, verbose=True, warehouse_manager=None):  # model_dict, inp
                    RMT_T, RMT_S, RMT_B, RMT_L,
                    PKINET_T, PKINET_S, PKINET_B,
                    MobileNetV4ConvSmall, MobileNetV4ConvMedium, MobileNetV4ConvLarge, MobileNetV4HybridMedium, MobileNetV4HybridLarge,
-                   starnet_s050, starnet_s100, starnet_s150, starnet_s1, starnet_s2, starnet_s3, starnet_s4
+                   starnet_s050, starnet_s100, starnet_s150, starnet_s1, starnet_s2, starnet_s3, starnet_s4,
+                   ResNet18,ResNet34,ResNet50,
                    }:
             if m is RevCol:
                 args[1] = [make_divisible(min(k, max_channels) * width, 8) for k in args[1]]