diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/utils/NumericUtil.java b/src/main/java/com/genersoft/iot/vmp/gb28181/utils/NumericUtil.java
new file mode 100644
index 00000000..4dc63075
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/utils/NumericUtil.java
@@ -0,0 +1,25 @@
+package com.genersoft.iot.vmp.gb28181.utils;
+
+/**
+ * 数值格式判断和处理
+ * @author lawrencehj
+ * @date 2021年1月27日
+ */
+public class NumericUtil {
+
+    /**
+     * 判断是否Double格式
+     * @param str
+     * @return true/false
+     */
+    public static boolean isDouble(String str) {
+        try { 
+            Double num2 = Double.valueOf(str); 
+            System.out.println("Is Number!" + num2); 
+            return true;
+        } catch (Exception e) { 
+            System.out.println("Is not Number!"); 
+            return false;
+        }
+    }
+}