diff --git a/localCoverage/push_coverage_so/push_coverage.py b/localCoverage/push_coverage_so/push_coverage.py
index af2d415501bef591cd32660c4c0b1f5b15291084..be78e7cb1f8ac1d5c83a6e79b46bd86a81d7fb37 100644
--- a/localCoverage/push_coverage_so/push_coverage.py
+++ b/localCoverage/push_coverage_so/push_coverage.py
@@ -116,9 +116,10 @@ if __name__ == "__main__":
     device_ip, device_port, device_sn_strs = get_config_ip(os.path.join(developer_path, "config", "user_config.xml"))
     if not device_port:
         device_port = "8710"
-    device_sn_list = device_sn_strs.split(";")
-    if not device_sn_list:
+    if not device_sn_strs:
         device_sn_list = get_sn_list("hdc -s {}:{} list targets".format(device_ip, device_port))
+    else:
+        device_sn_list = device_sn_strs.split(";")
 
     subsystem_list, testpart_list = [], []
     param = sys.argv[1]
diff --git a/localCoverage/utils.py b/localCoverage/utils.py
index d853823e247fd3c7b96fcc49737fef623d0f0793..287b79cde4b96b4a19b485189d5588a4efb53e21 100644
--- a/localCoverage/utils.py
+++ b/localCoverage/utils.py
@@ -47,8 +47,8 @@ def get_product_name(root_path):
     return ""
 
 
-def shell_command(command):
-    process = Popen(command, stdout=PIPE, stderr=STDOUT)
+def shell_command(command_list: list):
+    process = Popen(command_list, stdout=PIPE, stderr=STDOUT)
     with process.stdout:
         for line in iter(process.stdout.readline, b""):
             logger(line.decode().strip(), "INFO")
@@ -59,8 +59,9 @@ def shell_command(command):
 def hdc_command(device_ip, device_port, device_sn, command):
     connect_cmd = "hdc -s {}:{} -t {} ".format(device_ip, device_port, device_sn)
     cmd = connect_cmd + command
-    logger(cmd, "INFO")
-    _, exitcode = shell_command(cmd)
+    cmd_list = cmd.split(" ")
+    logger(cmd_list, "INFO")
+    _, exitcode = shell_command(cmd_list)
     return exitcode