diff --git a/boards/default_src/arduino_avr/blocks/logic.js b/boards/default_src/arduino_avr/blocks/logic.js
index 0c7f4c70..4e508342 100644
--- a/boards/default_src/arduino_avr/blocks/logic.js
+++ b/boards/default_src/arduino_avr/blocks/logic.js
@@ -23,7 +23,7 @@ export const logic_compare = {
             ['>', 'GT'],
             ['\u2265', 'GTE']
         ];
-        //this.setHelpUrl(Blockly.Msg.LOGIC_COMPARE_HELPURL);
+        this.setHelpUrl("https://mixly.readthedocs.io/zh-cn/latest/Arduino/AVR/04Logic.html#id2");
         this.setColour(LOGIC_HUE);
         this.setOutput(true, Boolean);
         this.appendValueInput('A');
@@ -58,7 +58,7 @@ export const logic_operation = {
             [Blockly.Msg.LOGIC_OPERATION_AND, 'AND'],
             [Blockly.Msg.LOGIC_OPERATION_OR, 'OR']
         ];
-        //this.setHelpUrl(Blockly.Msg.LOGIC_OPERATION_HELPURL);
+        this.setHelpUrl("https://mixly.readthedocs.io/zh-cn/latest/Arduino/AVR/04Logic.html#id12");
         this.setColour(LOGIC_HUE);
         this.setOutput(true, Boolean);
         this.appendValueInput('A')
@@ -144,5 +144,6 @@ export const logic_true_or_false = {
         this.setOutput(true);
         this.setInputsInline(true);
         this.setTooltip(Blockly.Msg.MIXLY_TOOLTIP_LOGIT_TRUEORFALSE);
+        this.setHelpUrl("https://mixly.readthedocs.io/zh-cn/latest/Arduino/AVR/04Logic.html#id17");
     }
 };
\ No newline at end of file
diff --git a/main.js b/main.js
index 9cfadb30..8a326e88 100644
--- a/main.js
+++ b/main.js
@@ -167,11 +167,11 @@ function createWindow(filePath = null, indexUrl = null) {
 
     //打开帮助页面
     electronLocalshortcut.register(win, 'CmdOrCtrl+H', () => {
-        var sendObj = {};
-        sendObj.type = "help";
-        var sendStr = JSON.stringify(sendObj);
-        win.webContents.send('ping', sendStr);
-        //win.webContents.executeJavaScript('alert("this is a test!");');
+        const winHelp = new BrowserWindow({ parent: win });
+        //打开子窗口
+        winHelp.loadURL("https://mixly.readthedocs.io/zh-cn/latest/contents.html");
+        //直接调用系统默认浏览器打开
+        //shell.openExternal("https://mixly.readthedocs.io/zh-cn/latest/contents.html")
     });
 
     //创建一个新页面