fix bugs (#892)

1. traffic stats not work.
2. magisk zip malformat

easytier-contrib/easytier-magisk/kill.sh

@@ -0,0 +1,14 @@
+#!/data/adb/magisk/busybox sh
+MODDIR=${0%/*}
+
+# 查找 easytier-core 进程的 PID
+PID=$(pgrep easytier-core)
+
+# 检查是否找到了进程
+if [ -z "$PID" ]; then
+    echo "easytier-core 进程未找到"
+else
+    # 结束进程
+    kill $PID
+    echo "已结束 easytier-core 进程 (PID: $PID)"
+fi