diff --git a/pycwr/io/PAFile.py b/pycwr/io/PAFile.py
index f4d0441..1254b53 100644
--- a/pycwr/io/PAFile.py
+++ b/pycwr/io/PAFile.py
@@ -191,9 +191,16 @@ def __init__(self, WSR98D):
         self.WSR98D = WSR98D
         self.nrays = len(self.WSR98D.radial)
         self.nsweeps = self.WSR98D.header['TaskConfig']['CutNumber']
+        print(self.nsweeps, self.nrays)
+        self.rays_per_sweep = self.nrays // self.nsweeps
         self.radial = []
-        for i in range(self.nsweeps):
-            self.radial.extend(self.WSR98D.radial[i::self.nsweeps])
+        if self.WSR98D.get_azimuth()[0] == self.WSR98D.get_azimuth()[1]:
+            for i in range(self.nsweeps):
+                self.radial.extend(self.WSR98D.radial[i::self.nsweeps])
+        else:
+            for i in range(self.nsweeps):
+                self.radial.extend(
+                    self.WSR98D.radial[i * self.rays_per_sweep:i * self.rays_per_sweep + self.rays_per_sweep])
         self.scan_type = self.WSR98D.get_scan_type()
         self.latitude, self.longitude, self.altitude, self.frequency = \
             self.WSR98D.get_latitude_longitude_altitude_frequency()
@@ -204,11 +211,11 @@ def __init__(self, WSR98D):
         self.azimuth = self.get_azimuth()
         self.elevation = self.get_elevation()
         self.fields = self._get_fields()
-        self.rays_per_sweep = self.nrays // self.nsweeps
         self.sitename = self.WSR98D.get_sitename()
         self.sweep_start_ray_index = self.WSR98D.sweep_start_ray_index
         self.sweep_end_ray_index = self.WSR98D.sweep_end_ray_index
 
+
     def get_nbins_per_sweep(self):
         """
         确定每个sweep V探测的库数
@@ -259,7 +266,10 @@ def get_range_per_radial(self, length):
         :return:
         """
         Resolution = self.header['CutConfig']['DopplerResolution'][0]
-        return np.linspace(Resolution, Resolution * length, length)
+        if Resolution == 0:
+            return np.linspace(30, 30 * length, length)
+        else:
+            return np.linspace(Resolution, Resolution * length, length)
 
     def get_dbz_range_per_radial(self, length):
         """
@@ -268,7 +278,10 @@ def get_dbz_range_per_radial(self, length):
         :return:
         """
         Resolution = self.header['CutConfig']['LogResolution'][0]
-        return np.linspace(Resolution, Resolution * length, length)
+        if Resolution == 0:
+            return np.linspace(30, 30 * length, length)
+        else:
+            return np.linspace(Resolution, Resolution * length, length)
 
     def _get_fields(self):
         """将所有的field的数据提取出来"""
diff --git a/test/plot_test.py b/test/plot_test.py
index e31d642..8b9c896 100644
--- a/test/plot_test.py
+++ b/test/plot_test.py
@@ -1,12 +1,14 @@
 from pycwr.io import read_PA, read_auto, PAFile
-from pycwr.draw.SingleRadarPlotMap import RadarGraphMap
+from pycwr.draw.RadarPlot import Graph
 import matplotlib.pyplot as plt
+import numpy as np
 
-file = "/Users/zhengyu/Downloads/Z_RADR_I_Z0001_20200521191950_O_DOR_DXK_CAR.bin"
-x = read_PA(file)
-y = PAFile.PABaseData(file)
+file = "/Users/zhengyu/Downloads/Z_RADR_I_ZGZ01_20200820220246_O_DOR_DXK_CAR.bin.bz2"
+PRD = read_PA(file)
+x = PAFile.PABaseData(file)
 
-# PRD = read_auto(filename)
-# graph = RadarGraphMap(PRD)
-# graph.plot(0, "dBZ")
-# plt.show()
\ No newline at end of file
+
+fig, ax = plt.subplots()
+graph = Graph(PRD)
+graph.plot_ppi(ax, 0, "dBZ")
+plt.show()