修改

Scripts/thwj/thwjHelper.js

@@ -431,7 +431,7 @@ function Base64() {
         var output = "";
         var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
         var i = 0;
-        input = _utf8_encode(input);
+        // input = _utf8_encode(input);
         while (i < input.length) {
             chr1 = input.charCodeAt(i++);
             chr2 = input.charCodeAt(i++);