diff --git a/core/src/main/java/com/douban/rexxar/view/RexxarWebView.java b/core/src/main/java/com/douban/rexxar/view/RexxarWebView.java
index e6bb9d1..0ad0158 100644
--- a/core/src/main/java/com/douban/rexxar/view/RexxarWebView.java
+++ b/core/src/main/java/com/douban/rexxar/view/RexxarWebView.java
@@ -331,6 +331,7 @@ public void callFunction(String functionName, String jsonString) {
             mCore.loadUrl(String.format(Constants.FUNC_FORMAT, functionName));
         } else {
             jsonString = jsonString.replaceAll("(\\\\)([^utrn])", "\\\\\\\\$1$2");
+            jsonString = jsonString.replaceAll("(\\\\)([utrn])", "\\\\$1$2");
             jsonString = jsonString.replaceAll("(?<=[^\\\\])(\")", "\\\\\"");
             mCore.loadUrl(String.format(Constants.FUNC_FORMAT_WITH_PARAMETERS, functionName, jsonString));
         }