fix军团：分服推送无法推全，放入chat服

shared/pubUtils/util.ts

@@ -21,6 +21,15 @@ export function genCode(len) {
     return code;
 }
 
+
+export function generateNum(len: number) {
+    let code = '';
+    for (let i = 0; i < len; i++) {
+        code += parseInt(`${Math.random() * 10}`);
+    }
+    return code;
+}
+
 export function decodeStr(type, str, splitForm = '|') {
     if (str == '&' || !str) {
         return []