Update Reader.java

Author: ipipdotnet

src/main/java/net/ipip/ipdb/Reader.java

@@ -95,7 +95,7 @@ public String[] find(String addr, String language) throws IPFormatException, Inv
 
         byte[] ipv;
 
-        if (addr.indexOf(":") > 0) {
+        if (addr.indexOf(":") >= 0) {
             ipv = IPAddressUtil.textToNumericFormatV6(addr);
             if (ipv == null) {
                 throw new IPFormatException("ipv6 format error");
@@ -220,4 +220,4 @@ public String[] getSupportFields() {
     public String getSupportLanguages() {
         return this.meta.Languages.keySet().toString();
     }
-}
+}