diff --git a/src/utils/StringUtil.ts b/src/utils/StringUtil.ts
new file mode 100644
index 0000000..55dfb30
--- /dev/null
+++ b/src/utils/StringUtil.ts
@@ -0,0 +1,22 @@
+export default class StringUtil {
+    static mbString2RgbHex = (str) => {
+        if (str == '') {
+            return "#CCC"
+        }
+        let re = /[\u4Е00-\u9FA5]/
+        let ar = []
+        for (let i = 0; i < str. length; i++) {
+            let a = ''
+            if (re.test(str.charAt(i))){
+                //中文
+                a = encodeURI(str.charAt(i)).replace(/%/g, '')
+            } else {
+                a = str.charCodeAt(i).toString(16)
+            }
+            ar.push(a)
+        }
+        str = ar.join('')
+
+        return "#"+ str.substring(0, 7)
+    }
+}