diff --git a/cloud/dahua/src/main/java/com/example/dahua/MyTask.java b/cloud/dahua/src/main/java/com/example/dahua/MyTask.java
index ab26de6..9dd6a67 100644
--- a/cloud/dahua/src/main/java/com/example/dahua/MyTask.java
+++ b/cloud/dahua/src/main/java/com/example/dahua/MyTask.java
@@ -32,6 +32,8 @@ import java.io.UnsupportedEncodingException;
 import java.text.SimpleDateFormat;
 import java.util.*;
 import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 @Component
 @Slf4j
@@ -380,6 +382,16 @@ public class MyTask implements ApplicationRunner {
         return cardR;
 
     }
+    public final static String REGEX_POSITIVE_INTEGER = "^\\+?[1-9]\\d*$";
+
+    private boolean isMatch(String regex, String orginal) {
+        if (orginal == null || orginal.trim().equals("")) { //$NON-NLS-1$
+            return false;
+        }
+        Pattern pattern = Pattern.compile(regex);
+        Matcher isNum = pattern.matcher(orginal);
+        return isNum.matches();
+    }
 
     /**
      * 大华设备考勤记录
--
libgit2 0.21.0