diff --git a/tools/show.py b/tools/show.py
index 4fc731f..3eb4183 100644
--- a/tools/show.py
+++ b/tools/show.py
@@ -8,10 +8,22 @@ import numpy as np
 import os
 
 
-def DumpTensorToImage(tensor, name, autoPad=True, scale=1.0, auto2d=True):
-    if len(tensor.shape) != 2 and len(tensor.shape) != 1:
+def DumpTensorToImage(tensor, name, forceSquare=True, scale=1.0):
+    if len(tensor.shape) != 2 and len(tensor.shape) != 1 and len(tensor.shape) != 3:
         raise ("Error input dims")
 
+    if len(tensor.shape) == 3:
+        channel = tensor.shape[0]
+        x = math.ceil((channel) ** 0.5)
+        tensor = F.pad(
+            tensor, (0, 1, 0, 1, 0, x * x - channel), mode="constant", value=0
+        )
+        tensor = tensor.reshape((x, x, tensor.shape[1], tensor.shape[2]))
+        tensor = tensor.permute((0, 2, 1, 3))
+        tensor = tensor.reshape((x * tensor.shape[1], x * tensor.shape[3]))
+        DumpTensorToImage(tensor, name, forceSquare=False, scale=scale)
+        return
+
     tensor = tensor.float()
     maxv = torch.max(tensor)
     minv = torch.min(tensor)
@@ -19,12 +31,12 @@ def DumpTensorToImage(tensor, name, autoPad=True, scale=1.0, auto2d=True):
     img = tensor.numpy()
     srp = img.shape
 
-    if auto2d and len(srp) == 1:  # 1D的数据自动折叠成2D图像
+    if len(srp) == 1:  # 1D的数据自动折叠成2D图像
         ceiled = math.ceil((srp[0]) ** 0.5)
         img = cv2.copyMakeBorder(img, 0, ceiled * ceiled - srp[0], 0, 0, 0)
         img = img.reshape((ceiled, ceiled))
         srp = img.shape
-    if autoPad and (max(srp) / min(srp) > 16):  # 自动拉伸成正方形
+    if forceSquare:  # 拉伸成正方形
         img = cv2.resize(img, [max(srp), max(srp)])
         srp = img.shape
     if scale != 1.0:
diff --git a/tools/test.py b/tools/test.py
index 0111b7b..a97d099 100644
--- a/tools/test.py
+++ b/tools/test.py
@@ -9,6 +9,12 @@ import torch
 radata = torch.randn(127)
 show.DumpTensorToImage(radata, "test.png")
 
+
+radata = torch.randn(3,127,127)
+show.DumpTensorToImage(radata, "test.png")
+
+
+
 radata = torch.randn(127, 127)
 show.DumpTensorToLog(radata, "test.log")