diff --git a/docs/en/module/lte.md b/docs/en/module/lte.md
index 57e2e03c..ad9deaa8 100644
--- a/docs/en/module/lte.md
+++ b/docs/en/module/lte.md
@@ -78,7 +78,6 @@ Product Feature:
 
 - [LTE Module](https://github.com/m5stack/M5-Schematic/blob/master/Modules/module_lte_sch.pdf)
 
-
 ## EasyLoader
 
 <img src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/EasyLoader_logo.png" width="100px" style="margin-top:20px">
@@ -97,7 +96,6 @@ Product Feature:
 
 *To get complete code, please click [here](https://github.com/m5stack/M5Stack/blob/master/examples/Modules/LTE/LTE.ino).*
 
-
 ### Pin Map
 
 <table>
diff --git a/docs/en/module/servo.md b/docs/en/module/servo.md
index 9c6493f8..04b90323 100644
--- a/docs/en/module/servo.md
+++ b/docs/en/module/servo.md
@@ -86,7 +86,7 @@ Wire.endTransmission();
 
 ### 2. UIFlow
 
-Wanna explore the easiest way of Servo programming?? Check out the Blockly Platform at [UIFlow](flow.m5stack.com).
+Wanna explore the easiest way of Servo programming?? Check out the Blockly Platform at [UIFlow](http://flow.m5stack.com).
 
 *TO get the complete code, please click [here](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Module/SERVO/UIFlow).*
 
diff --git a/docs/zh_CN/module/servo.md b/docs/zh_CN/module/servo.md
index 420769e9..f13ad62c 100644
--- a/docs/zh_CN/module/servo.md
+++ b/docs/zh_CN/module/servo.md
@@ -114,7 +114,7 @@ void loop() {
 
 ### 2. UIFlow
 
-想要探索最简单的Servo编程驱动方式吗？快试试Blockly编程平台[UIFlow](flow.m5stack.com).
+想要探索最简单的Servo编程驱动方式吗？快试试Blockly编程平台[UIFlow](http://flow.m5stack.com).
 
 *以下代码仅为片段，如需获取完整代码， [请点击此处.](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Module/SERVO/UIFlow).*