Ajust the order of operations

Check parameters first.
rename library and then declare Env path
Check the path before calling /system/bin/<commands>.

Signed-off-by: Wei Jiangang <wei_jiangang@hoperun.com>

start_services.sh

@@ -92,17 +92,10 @@ start_process() {
   fi
 }
 
-# 如果有进程还在，暂停服务防止双进程存在
-if pgrep -x "samgr" > /dev/null; then
-  log info "service is running, stop it"
-  /system/bin/stop_services.sh all
-  sleep 2
-fi
-
-# 软链接动态库
-if [ ! -e "/usr/lib64/libsec_shared.z.so" ]; then
-  log info "libsec_shared.z.so not exist, create it"
-  ln -s /usr/lib64/libboundscheck.so /usr/lib64/libsec_shared.z.so
+# 判断参数是否为空
+if [ -z "$1" ]; then
+  log error "Usage: $0 [all|samgr|huks|deviceauth|softbus|device_manager|dfs|datamgr]"
+  exit 1
 fi
 
 # 新建日志目录
@@ -118,10 +111,10 @@ if [ ! -e "/etc/SN" ]; then
   echo "$ipv4_address" | sudo tee /etc/SN > /dev/null
 fi
 
-# 判断参数是否为空
-if [ -z "$1" ]; then
-  log error "Usage: $0 [all|samgr|huks|deviceauth|softbus|device_manager|dfs|datamgr]"
-  exit 1
+# 软链接动态库
+if [ ! -e "/usr/lib64/libsec_shared.z.so" ]; then
+  log info "libsec_shared.z.so not exist, create it"
+  ln -s /usr/lib64/libboundscheck.so /usr/lib64/libsec_shared.z.so
 fi
 
 # 检查 $LD_LIBRARY_PATH 是否包含 "/system/lib64"，如果不包含则加入
@@ -155,6 +148,13 @@ if [ ! -e "/dev/binder" ]; then
 fi
 
 cd ${BIN_PATH} || exit
+# 如果有进程还在，暂停服务防止双进程存在
+if pgrep -x "samgr" > /dev/null; then
+  log info "service is running, stop it"
+  /system/bin/stop_services.sh all
+  sleep 2
+fi
+
 # 验证参数并执行相应命令
 if [ "$1" == "all" ]; then
   log info "Starting all services..."