优化

3 years ago · 0fbee110e8
parent 6ca5850ade
commit 0fbee110e8
1 changed files with 2 additions and 2 deletions
--- a/app/src/main/java/io/legado/app/utils/NetworkUtils.kt
+++ b/app/src/main/java/io/legado/app/utils/NetworkUtils.kt
@ -185,8 +185,8 @@ object NetworkUtils {
     * @param input the address string to check for validity.
     * @return True if the input parameter is a valid IPv4 address.
     */
-    fun isIPv4Address(input: String): Boolean {
+    fun isIPv4Address(input: String?): Boolean {
-        return IPV4_PATTERN.matcher(input).matches()
+        return input != null && IPV4_PATTERN.matcher(input).matches()
    }
    /**