change some problem 4

tools/diffusion/ic_layout_diffusion_optimized.py

@@ -207,6 +207,14 @@ class ManhattanAwareUNet(nn.Module):
             self._make_block(512, 1024, stride=2),
         ])
 
+        # 残差投影层 - 确保残差连接的通道数匹配
+        self.residual_projections = nn.ModuleList([
+            nn.Conv2d(64, 128, 1),  # 64 -> 128
+            nn.Conv2d(128, 256, 1), # 128 -> 256
+            nn.Conv2d(256, 512, 1), # 256 -> 512
+            nn.Conv2d(512, 1024, 1), # 512 -> 1024
+        ])
+
         # 中间层
         self.middle = nn.Sequential(
             nn.Conv2d(1024, 1024, 3, padding=1),
@@ -283,16 +291,16 @@ class ManhattanAwareUNet(nn.Module):
         # 编码器路径
         skips = []
         for i, (encoder, fusion) in enumerate(zip(self.encoder, self.time_fusion)):
-            # 残差连接
-            residual = x
+            # 保存残差连接并使用投影层匹配通道数
+            residual = self.residual_projections[i](x)
             x = encoder(x)
 
             # 融合时间信息
             t_feat = fusion(t_emb).unsqueeze(-1).unsqueeze(-1)
             x = x + t_feat
 
-            # 跳跃连接
-            skips.append(x + residual if i == 0 else x)
+            # 跳跃连接 - 添加投影后的残差
+            skips.append(x + residual)
 
         # 中间层
         x = self.middle(x)