diff --git a/lib/tool.js b/lib/tool.js
index 9ad03c3..903a6b6 100644
--- a/lib/tool.js
+++ b/lib/tool.js
@@ -149,7 +149,7 @@ class Tool {
     m = m.replace(begin, '').replace(end, '')
 
     m = m.trim()
-    if (empty(m) || !/\sin\s/.test(m)) {
+    if (!m || !/\sin\s/.test(m)) {
       return new Error('Wrong each loop')
     }
 
@@ -175,7 +175,9 @@ class Tool {
     m = m.replace(begin, '').replace(end, '')
 
     m = m.trim()
-    if (empty(m)) return `\`; tpl += \``
+    if (!m) {
+      return `\`; tpl += \``
+    }
 
     return `\`; if (${m}){ tpl += \``
   }
@@ -188,7 +190,9 @@ class Tool {
     m = m.replace(begin, '').replace(end, '')
 
     m = m.trim()
-    if (empty(m)) return `\`;} else { tpl += \``
+    if (!m) {
+      return `\`;} else { tpl += \``
+    }
 
     return `\`; } else if (${m}){ tpl += \``
   }
@@ -201,7 +205,9 @@ class Tool {
     m = m.replace(begin, '').replace(end, '')
 
     m = m.trim()
-    if (!empty(m) || /=/.test(m)) m = 'let ' + m
+    if (m && /=/.test(m)) {
+      m = 'let ' + m
+    }
 
     this.vars += ` ${m};`
 
diff --git a/package.json b/package.json
index d767ffd..69a7cc6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "smartyx",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "nodeJS模板引擎，理念源自于PHP的smarty模板引擎",
   "keywords": [
     "fivejs",