diff --git a/conda.yaml b/conda.yaml
index 8cbf9a3..2ab197d 100644
--- a/conda.yaml
+++ b/conda.yaml
@@ -4,62 +4,30 @@ channels:
   - defaults
 dependencies:
   - cryptography=3.4.7=py37h20c650d_0
-  - curl=7.79.0=h789b8ee_0
-  - cycler=0.10.0=py_2
-  - cytoolz=0.11.0=py37hcc03f2d_3
   - dask-core=2021.9.1=pyhd8ed1ab_0
   - decorator=5.1.0=pyhd8ed1ab_0
   - future=0.18.2=py37h03978a9_3
   - gdal=3.3.1=py37hb11e9a8_2
-  - geos=3.9.1=h39d44d4_2
-  - geotiff=1.6.0=ha8a8a2d_6
-  - gettext=0.19.8.1=ha2e2712_1006
-  - giflib=5.2.1=h8d14728_2
-  - gsl=2.7=hdfb1a43_0
-  - m2w64-gcc-libgfortran=5.3.0=6
-  - m2w64-gcc-libs=5.3.0=7
-  - m2w64-gcc-libs-core=5.3.0=7
-  - m2w64-gmp=6.1.0=2
-  - m2w64-libwinpthread-git=5.0.0.4634.697f757=2
-  - markupsafe=2.0.1=py37hcc03f2d_0
   - numpy=1.21.2=py37h940b05c_0
   - opencv=4.5.3=py37h03978a9_1
   - pip=21.2.4=pyhd8ed1ab_0
   - proj=8.0.1=h1cfcee9_0
-  - psycopg2=2.9.1=py37hd8e9650_0
   - py-opencv=4.5.3=py37h4038f58_1
   - pycodestyle=2.7.0=pyhd8ed1ab_0
   - pycparser=2.20=pyh9f0ad1d_2
   - pygments=2.10.0=pyhd8ed1ab_0
   - pylint=2.11.1=pyhd8ed1ab_0
   - pyproj=3.2.1=py37h9f67652_0
-  - pyqt=5.12.3=py37h03978a9_7
-  - pysnooper=0.5.0=pyhd8ed1ab_0
-  - pysocks=1.7.1=py37h03978a9_3
   - python=3.7.10=h7840368_101_cpython
   - python-dateutil=2.8.2=pyhd8ed1ab_0
   - python_abi=3.7=2_cp37m
   - pytz=2021.1=pyhd8ed1ab_0
   - pywavelets=1.1.1=py37hec80d1f_3
-  - pywin32=301=py37hcc03f2d_0
   - pyyaml=5.4.1=py37hcc03f2d_1
   - qgis=3.18.3=py37h3dc7164_2
   - qt=5.12.9=h5909a2a_4
-  - qtkeychain=0.12.0=h552f0f6_0
-  - qtlocation=5.12.9=ha925a31_0
-  - qtpy=1.11.1=pyhd8ed1ab_0
   - scikit-image=0.18.3=py37h9386db6_0
   - scipy=1.7.1=py37hb6553fb_0
-  - setuptools=58.0.4=py37h03978a9_1
-  - six=1.16.0=pyh6c4a22f_0
-  - snappy=1.1.8=ha925a31_3
-  - sqlite=3.36.0=h8ffe710_1
-  - tenacity=8.0.1=pyhd8ed1ab_0
-  - typed-ast=1.4.3=py37hcc03f2d_0
-  - typing-extensions=3.10.0.2=hd8ed1ab_0
-  - typing_extensions=3.10.0.2=pyha770c72_0
-  - ucrt=10.0.20348.0=h57928b3_0
-  - urllib3=1.26.6=pyhd8ed1ab_0
   - yaml=0.2.5=he774522_0
   - pip:
     - attrs==21.4.0
diff --git a/lic/license.lic b/lic/license.lic
index 02a42fd..fcdb940 100644
--- a/lic/license.lic
+++ b/lic/license.lic
@@ -1 +1 @@
-IieXktda+1nRK9zLwe87uPPn2VpCwmUrEOPfyenaW/Sek70/CqqbCr7nangL1+pVXSkzDELia7Qq8e+pDMuHCXzxyJOALRj4j3bhFVExwqSTLuXwdev1e26nr7vnECl7H0SCVynr8To7ciwcnmK6HJXre6i+mBdTjACmKseTMlWp480XOt7uHysltORbTA3J
\ No newline at end of file
+vd4FiYncytyziGH9GNCAA8hGGr1/79Xmphtc5+PHPJDpxvqj1hP7+985QMojYO4M5Qn/aqEAvFgeDN3CA8x1YAK8SdCgSXSBJpRBK8wqPQjBY1ak96QfdPCrTLunr+xuPxK3Gxe772adTTsee2+ot7WePYUsC4y4NcS5+rlP1if87xtYqVeSwx3c64cOmAGP
\ No newline at end of file
diff --git a/license.lic b/license.lic
index 175477c..fcdb940 100644
--- a/license.lic
+++ b/license.lic
@@ -1 +1 @@
-pGZJMmJtule8fwDCz4mnyHoQa7N6pl5GRdLqfoXREBqG4Xb1jbvgf7RmC8f1+sNpiCFSIt7NgvU362tKhB5UBXn/vUAadG1lOGC70dUhprGzBoqJN7VkAHkNGg0XjoE8H0SCVynr8To7ciwcnmK6HJXre6i+mBdTjACmKseTMlWp480XOt7uHysltORbTA3J
\ No newline at end of file
+vd4FiYncytyziGH9GNCAA8hGGr1/79Xmphtc5+PHPJDpxvqj1hP7+985QMojYO4M5Qn/aqEAvFgeDN3CA8x1YAK8SdCgSXSBJpRBK8wqPQjBY1ak96QfdPCrTLunr+xuPxK3Gxe772adTTsee2+ot7WePYUsC4y4NcS5+rlP1if87xtYqVeSwx3c64cOmAGP
\ No newline at end of file
diff --git a/plugins/In_one/scripts/UnsupervisedCD.py b/plugins/In_one/scripts/UnsupervisedCD.py
index 1284651..71b99ac 100644
--- a/plugins/In_one/scripts/UnsupervisedCD.py
+++ b/plugins/In_one/scripts/UnsupervisedCD.py
@@ -17,6 +17,8 @@ def warp(file,ds:gdal.Dataset,srcWin=[0,0,0,0]):
     geo=ds.GetGeoTransform()
     orj=ds.GetProjection()
     band=ds.RasterCount
+    if os.path.exists(file):
+        os.remove(file)
     out_ds:gdal.Dataset=driver.Create(file, xsize, ysize, band, gdal.GDT_Byte)
     out_ds.SetGeoTransform(geo)
     out_ds.SetProjection(orj)
diff --git a/rscder/gui/mainwindow.py b/rscder/gui/mainwindow.py
index 919cc39..4902c01 100644
--- a/rscder/gui/mainwindow.py
+++ b/rscder/gui/mainwindow.py
@@ -15,10 +15,7 @@ from rscder.utils.icons import IconInstance
 from rscder.utils.project import Project
 from rscder.gui.layercombox import LayerCombox
 from rscder.gui.eagle_eye import eagleEye
-import skimage
-import numpy as np
-import sys
-import scipy
+
 class MainWindow(QMainWindow):
 
     closed = pyqtSignal()