diff --git a/_config.yml b/_config.yml
new file mode 100644
index 0000000..c419263
--- /dev/null
+++ b/_config.yml
@@ -0,0 +1 @@
+theme: jekyll-theme-cayman
\ No newline at end of file
diff --git a/blockly/blocks.js b/blockly/blocks.js
index 7163eae..11c9336 100644
--- a/blockly/blocks.js
+++ b/blockly/blocks.js
@@ -12,7 +12,7 @@ Blockly.Blocks['lora_new'] = {
     this.setOutput(true, null);
     this.setColour(230);
     this.setTooltip('');
-    this.setHelpUrl(mainUrl + 'basic/index.html' + utmUrl); 
+    this.setHelpUrl('');
   }
 };
 
@@ -26,7 +26,7 @@ Blockly.Blocks['lora_send'] = {
     this.setNextStatement(true, null);
     this.setColour(65);
     this.setTooltip('');
-    this.setHelpUrl(mainUrl + 'basic/index.html' + utmUrl); 
+    this.setHelpUrl('');
   }
 };
 
@@ -49,7 +49,7 @@ Blockly.Blocks['lora_send_ack'] = {
     this.setNextStatement(true, null);
     this.setColour(65);
     this.setTooltip('');
-    this.setHelpUrl(mainUrl + 'basic/index.html' + utmUrl); 
+    this.setHelpUrl('');
   }
 };
 
@@ -64,7 +64,7 @@ Blockly.Blocks['lora_recv_ack'] = {
     this.setNextStatement(true, null);
     this.setColour(65);
     this.setTooltip('');
-    this.setHelpUrl(mainUrl + 'basic/index.html' + utmUrl); 
+    this.setHelpUrl('');
   }
 };
 
@@ -77,6 +77,6 @@ Blockly.Blocks['lora_recv_data'] = {
     this.setOutput(true, null);
     this.setColour(35);
     this.setTooltip('');
-    this.setHelpUrl(mainUrl + 'basic/index.html' + utmUrl); 
+    this.setHelpUrl('');
   }
 };
\ No newline at end of file
diff --git a/blockly/toolbox.xml b/blockly/toolbox.xml
index 9b407dd..25cc52a 100644
--- a/blockly/toolbox.xml
+++ b/blockly/toolbox.xml
@@ -3,7 +3,7 @@
     <field name="VAR">lora</field>
     <value name="VALUE">
       <block type="lora_new">
-        <field name="resetPin">10</field>
+        <field name="resetPin">9</field>
         <field name="address">9</field>
       </block>
     </value>
@@ -28,4 +28,4 @@
   <block type="lora_recv_data"></block>
 
 
-</category>
\ No newline at end of file
+</category>