diff --git a/package.json b/package.json
index 736e09dd..0d0e219c 100644
--- a/package.json
+++ b/package.json
@@ -538,6 +538,16 @@
                 "category": "eide",
                 "title": "Create gcc system stubs for project"
             },
+            {
+                "command": "eide.project.generateClangdConfig",
+                "category": "eide",
+                "title": "%eide.project.generateClangdConfig%"
+            },
+            {
+                "command": "eide.project.reload",
+                "category": "eide",
+                "title": "%eide.project.reload%"
+            },
             {
                 "command": "eide.debug.start",
                 "category": "eide",
@@ -1347,6 +1357,16 @@
                     "when": "viewItem == SOLUTION && view == cl.eide.view.projects",
                     "group": "4_group@2"
                 },
+                {
+                    "command": "eide.project.reload",
+                    "when": "viewItem == SOLUTION && view == cl.eide.view.projects",
+                    "group": "4_group@3"
+                },
+                {
+                    "command": "eide.project.generateClangdConfig",
+                    "when": "viewItem == SOLUTION && view == cl.eide.view.projects",
+                    "group": "4_group@4"
+                },
                 {
                     "command": "_cl.eide.project.switchMode",
                     "when": "viewItem == SOLUTION && view == cl.eide.view.projects",
diff --git a/package.nls.json b/package.nls.json
index 8ec3e8a9..b58d1dc0 100644
--- a/package.nls.json
+++ b/package.nls.json
@@ -21,6 +21,8 @@
     "eide.project.save.all": "Save All Projects",
     "eide.project.active": "Active Project",
     "eide.project.close": "Close Project",
+    "eide.project.reload": "Reload Project",
+    "eide.project.generateClangdConfig": "Generate .clangd Config",
     "eide.project.show.commands": "Show Compiler CommandLine",
     "eide.project.switch.target": "Switch Target",
     "eide.project.build": "Build",
diff --git a/package.nls.zh-CN.json b/package.nls.zh-CN.json
index 9b506de8..c29ae74f 100644
--- a/package.nls.zh-CN.json
+++ b/package.nls.zh-CN.json
@@ -21,6 +21,8 @@
     "eide.project.save.all": "保存所有项目",
     "eide.project.active": "设为活动",
     "eide.project.close": "关闭项目",
+    "eide.project.reload": "重新加载项目",
+    "eide.project.generateClangdConfig": "生成 .clangd 配置",
     "eide.project.show.commands": "查看生成的编译器命令行",
     "eide.project.switch.target": "切换目标",
     "eide.project.build": "构建",
diff --git a/src/EIDEProjectExplorer.ts b/src/EIDEProjectExplorer.ts
index a74e2f96..cd5f2ae9 100644
--- a/src/EIDEProjectExplorer.ts
+++ b/src/EIDEProjectExplorer.ts
@@ -140,7 +140,7 @@ import { jsonc } from 'jsonc';
 import { SimpleUIConfig, SimpleUIConfigData_input, SimpleUIConfigData_options, SimpleUIConfigData_text, SimpleUIConfigData_table, SimpleUIConfigData_boolean, SimpleUIConfigData_divider, SimpleUIConfigData_tag } from "./SimpleUIDef";
 import { StatusBarManager } from './StatusBarManager';
 import { doMigration, detectProject } from './EIDEProjectMigration';
-import { onRegisterClangdProvider } from './clangdConfigProvider';
+import { onRegisterClangdProvider, generateClangdConfig } from './clangdConfigProvider';
 
 enum TreeItemType {
     SOLUTION,
@@ -3468,6 +3468,29 @@ export class ProjectExplorer implements CustomConfigurationProvider {
         GlobalEvent.emit('project.closed', uid);
     }
 
+    GenerateClangdConfig(item?: ProjTreeItem) {
+        const prj = this.getProjectByTreeItem(item);
+        if (prj == undefined) {
+            GlobalEvent.emit('msg', newMessage('Warning', 'No activated project !'));
+            return;
+        }
+        try {
+            generateClangdConfig(prj);
+            GlobalEvent.emit('msg', newMessage('Info', `.clangd config generated for '${prj.getProjectName()}'`));
+        } catch (error) {
+            GlobalEvent.emit('msg', ExceptionToMessage(error, 'Warning'));
+        }
+    }
+
+    async ReloadProject(item?: ProjTreeItem): Promise<void> {
+        const prj = this.getProjectByTreeItem(item);
+        if (prj == undefined) {
+            GlobalEvent.emit('msg', newMessage('Warning', 'No activated project !'));
+            return;
+        }
+        await this.reloadProject(prj.getUid(), prj.getWorkspaceFile());
+    }
+
     SaveAll() {
         this.dataProvider.SaveAll();
     }
@@ -3564,7 +3587,7 @@ export class ProjectExplorer implements CustomConfigurationProvider {
         this.enableAutoSave(true);
     }
 
-    private async reloadProject(uid: string, workspaceFile: File): Promise<boolean> {
+    async reloadProject(uid: string, workspaceFile: File): Promise<boolean> {
 
         const idx = this.dataProvider.getIndexByProjectUid(uid);
         if (idx == -1) {
diff --git a/src/clangdConfigProvider.ts b/src/clangdConfigProvider.ts
index 62a37745..88843315 100644
--- a/src/clangdConfigProvider.ts
+++ b/src/clangdConfigProvider.ts
@@ -124,69 +124,70 @@ export async function onRegisterClangdProvider(prj: AbstractProject) {
             return;
         }
 
-        // ----------------------
-        // setup clangd config
-        // ----------------------
         try {
-            let cfg: any = {};
-            const fclangd = File.fromArray([prj.getProjectRoot().path, '.clangd']);
-            if (fclangd.IsFile()) {
-                cfg = yaml.parse(fclangd.Read());
-            }
-            if (!cfg['CompileFlags']) cfg['CompileFlags'] = {};
-            if (!cfg['CompileFlags']['Add']) cfg['CompileFlags']['Add'] = []
-            if (!cfg['CompileFlags']['Remove']) cfg['CompileFlags']['Remove'] = [];
-            //
-            cfg['CompileFlags']['CompilationDatabase'] = './' + File.ToUnixPath(prj.getOutputDir());
-            const toolchain = prj.getToolchain();
-            const gccLikePath = toolchain.getGccFamilyCompilerPathForCpptools('c');
-            if (gccLikePath) { // clangd 仅兼容gcc的编译器
-                cfg['CompileFlags']['Compiler'] = gccLikePath;
-                let clangdCompileFlags = <string[]>(cfg['CompileFlags']['Add']);
-                let compilerArgs = prj.getCpptoolsConfig().cppCompilerArgs;
-                if (isGccFamilyToolchain(toolchain.name)) {
-                    const tRoot = toolchain.getToolchainDir().path;
-                    clangdCompileFlags = clangdCompileFlags.filter(p => !File.isSubPathOf(tRoot, p.substr(2)));
-                    let li = getGccSystemSearchList(File.ToLocalPath(gccLikePath), ['-xc++'].concat(compilerArgs || []));
-                    if (li) {
-                        li.forEach(p => {
-                            clangdCompileFlags.push(`-I${File.normalize(p)}`);
-                        });
-                    }
-                } else if (toolchain.name == 'LLVM_ARM') {
-                    // nothing todo. This is llvm.
-                } else {
-                    clangdCompileFlags.push(`-I${toolchain.getToolchainDir().path}/include`);
-                    clangdCompileFlags.push(`-I${toolchain.getToolchainDir().path}/include/libcxx`);
-                }
-                // // add flags
-                // if (compilerArgs)
-                //     compilerArgs.forEach(arg => clangdCompileFlags.push(arg));
-                // // add user includes
-                // prj.getCpptoolsConfig().includePath
-                //     .forEach(path => clangdCompileFlags.push(`-I${path}`));
-                // // add user defines
-                // prj.getCpptoolsConfig().defines
-                //     .forEach(d => clangdCompileFlags.push(`-D${d}`));
-                // del repeat
-                cfg['CompileFlags']['Add'] = ArrayDelRepetition(clangdCompileFlags);
-            }
-            // 其他不受 clangd 支持的编译器要自行设置 -I -D
-            else if (toolchain.name == 'AC5' || toolchain.name == 'SDCC' || toolchain.name == 'GNU_SDCC_MCS51') {
-                const builderOpts = prj.getBuilderOptions();
-                const prjConfig = prj.GetConfiguration();
-                const compilerFlags: string[] = cfg['CompileFlags']['Add'] || [];
-                toolchain.getSystemIncludeList(builderOpts)
-                    .forEach(p => compilerFlags.push(`-I"${p}"`));
-                toolchain.getInternalDefines(<any>prjConfig.config.toolchainConfig, builderOpts)
-                    .forEach(d => compilerFlags.push(`-D"${d.name}=${d.value}"`));
-                cfg['CompileFlags']['Add'] = ArrayDelRepetition(compilerFlags);
-                // 禁用所有诊断错误，因为 clangd 不支持这些编译器
-                cfg['Diagnostics'] = { 'Suppress': '*' }
-            }
-            fclangd.Write(yaml.stringify(cfg));
+            generateClangdConfig(prj);
         } catch (error) {
             GlobalEvent.log_error(error);
         }
     });
 }
+
+export function generateClangdConfig(prj: AbstractProject): void {
+    let cfg: any = {};
+    const fclangd = File.fromArray([prj.getProjectRoot().path, '.clangd']);
+    if (fclangd.IsFile()) {
+        cfg = yaml.parse(fclangd.Read());
+    }
+    if (!cfg['CompileFlags']) cfg['CompileFlags'] = {};
+    if (!cfg['CompileFlags']['Add']) cfg['CompileFlags']['Add'] = []
+    if (!cfg['CompileFlags']['Remove']) cfg['CompileFlags']['Remove'] = [];
+    //
+    cfg['CompileFlags']['CompilationDatabase'] = './' + File.ToUnixPath(prj.getOutputDir());
+    const toolchain = prj.getToolchain();
+    const gccLikePath = toolchain.getGccFamilyCompilerPathForCpptools('c');
+    if (gccLikePath) { // clangd 仅兼容gcc的编译器
+        cfg['CompileFlags']['Compiler'] = gccLikePath;
+        let clangdCompileFlags = <string[]>(cfg['CompileFlags']['Add']);
+        let compilerArgs = prj.getCpptoolsConfig().cppCompilerArgs;
+        if (isGccFamilyToolchain(toolchain.name)) {
+            const tRoot = toolchain.getToolchainDir().path;
+            clangdCompileFlags = clangdCompileFlags.filter(p => !File.isSubPathOf(tRoot, p.substr(2)));
+            let li = getGccSystemSearchList(File.ToLocalPath(gccLikePath), ['-xc++'].concat(compilerArgs || []));
+            if (li) {
+                li.forEach(p => {
+                    clangdCompileFlags.push(`-I${File.normalize(p)}`);
+                });
+            }
+        } else if (toolchain.name == 'LLVM_ARM') {
+            // nothing todo. This is llvm.
+        } else {
+            clangdCompileFlags.push(`-I${toolchain.getToolchainDir().path}/include`);
+            clangdCompileFlags.push(`-I${toolchain.getToolchainDir().path}/include/libcxx`);
+        }
+        // // add flags
+        // if (compilerArgs)
+        //     compilerArgs.forEach(arg => clangdCompileFlags.push(arg));
+        // // add user includes
+        // prj.getCpptoolsConfig().includePath
+        //     .forEach(path => clangdCompileFlags.push(`-I${path}`));
+        // // add user defines
+        // prj.getCpptoolsConfig().defines
+        //     .forEach(d => clangdCompileFlags.push(`-D${d}`));
+        // del repeat
+        cfg['CompileFlags']['Add'] = ArrayDelRepetition(clangdCompileFlags);
+    }
+    // 其他不受 clangd 支持的编译器要自行设置 -I -D
+    else if (toolchain.name == 'AC5' || toolchain.name == 'SDCC' || toolchain.name == 'GNU_SDCC_MCS51') {
+        const builderOpts = prj.getBuilderOptions();
+        const prjConfig = prj.GetConfiguration();
+        const compilerFlags: string[] = cfg['CompileFlags']['Add'] || [];
+        toolchain.getSystemIncludeList(builderOpts)
+            .forEach(p => compilerFlags.push(`-I"${p}"`));
+        toolchain.getInternalDefines(<any>prjConfig.config.toolchainConfig, builderOpts)
+            .forEach(d => compilerFlags.push(`-D"${d.name}=${d.value}"`));
+        cfg['CompileFlags']['Add'] = ArrayDelRepetition(compilerFlags);
+        // 禁用所有诊断错误，因为 clangd 不支持这些编译器
+        cfg['Diagnostics'] = { 'Suppress': '*' }
+    }
+    fclangd.Write(yaml.stringify(cfg));
+}
diff --git a/src/extension.ts b/src/extension.ts
index dd92a4ea..600e5118 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -171,6 +171,8 @@ export async function activate(context: vscode.ExtensionContext) {
     subscriptions.push(vscode.commands.registerCommand('eide.project.genBuilderParams', (item) => projectExplorer.BuildSolution(item, { not_rebuild: true, onlyDumpBuilderParams: true })));
     subscriptions.push(vscode.commands.registerCommand('eide.open.makelibs.cfg', (item) => projectExplorer.openLibsGeneratorConfig(item)));
     subscriptions.push(vscode.commands.registerCommand('eide.project.create_sys_stubs', (projuid) => projectExplorer.createSysStubs(projuid)));
+    subscriptions.push(vscode.commands.registerCommand('eide.project.generateClangdConfig', (item) => projectExplorer.GenerateClangdConfig(item)));
+    subscriptions.push(vscode.commands.registerCommand('eide.project.reload', (item) => projectExplorer.ReloadProject(item)));
 
     // operations bar
     subscriptions.push(vscode.commands.registerCommand('_cl.eide.project.historyRecord', () => projectExplorer.openHistoryRecords()));