diff --git a/src/core/wxs/math.wxs b/src/core/wxs/math.wxs
new file mode 100644
index 00000000..38ed7a89
--- /dev/null
+++ b/src/core/wxs/math.wxs
@@ -0,0 +1,7 @@
+function min(a,b){
+ return Math.min(a,b);
+}
+
+module.exports = {
+ min:min
+}
\ No newline at end of file
diff --git a/src/textarea/index.wxml b/src/textarea/index.wxml
index 5bb42b57..e5878a33 100644
--- a/src/textarea/index.wxml
+++ b/src/textarea/index.wxml
@@ -1,4 +1,5 @@
-
+
+