fix 兑换码不要特殊字符

netflix-common/src/main/java/com/cyksj/common/util/StringUtil.java

@@ -48,7 +48,7 @@ public final class StringUtil {
 
 	public static final String EMPTY = "";
 
-	public static final String randomStr = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789#&/_-";
+	public static final String randomStr = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
 
 	private static final String baseStr = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";