diff --git a/client/packages/plugin-declaration-generator/package.json b/client/packages/plugin-declaration-generator/package.json
index 2ce896a0..b40a2532 100644
--- a/client/packages/plugin-declaration-generator/package.json
+++ b/client/packages/plugin-declaration-generator/package.json
@@ -8,7 +8,9 @@
     "build": "tsc",
     "watch": "tsc --watch",
     "prepare": "tsc",
-    "test": "ts-node ./test/index.ts"
+    "test": "ts-node ./test/index.ts",
+    "test:parser": "ts-node ./test/parser.ts",
+    "test:parser:debug": "node -r ts-node/register --inspect-brk ./test/parser.ts"
   },
   "author": "",
   "license": "MIT",
@@ -21,6 +23,7 @@
     "glob": "^7.2.0",
     "lodash": "^4.17.21",
     "mkdirp": "^1.0.4",
+    "ts-morph": "^16.0.0",
     "typescript": "^4.5.2"
   },
   "devDependencies": {
@@ -31,7 +34,7 @@
     "@types/fs-extra": "^9.0.13",
     "@types/lodash": "^4.14.170",
     "@types/mkdirp": "^1.0.2",
-    "@types/node": "^15.12.5",
+    "@types/node": "^18.11.7",
     "ts-node": "^10.0.0"
   }
 }
diff --git a/client/packages/plugin-declaration-generator/src/parser.ts b/client/packages/plugin-declaration-generator/src/parser.ts
new file mode 100644
index 00000000..34763710
--- /dev/null
+++ b/client/packages/plugin-declaration-generator/src/parser.ts
@@ -0,0 +1,78 @@
+import {
+  Project,
+  ProjectOptions,
+  Symbol,
+  SyntaxKind,
+  ts,
+  Type,
+} from 'ts-morph';
+
+interface Options {
+  entryPath: string;
+  project?: ProjectOptions;
+}
+
+export function parseDeclarationEntry(options: Options) {
+  const project = new Project(options.project);
+  const sourceFile = project.getSourceFileOrThrow(options.entryPath);
+
+  for (const [name, declarations] of sourceFile.getExportedDeclarations()) {
+    console.log(
+      `${name}: ${declarations
+        .map((d) => {
+          if (d.isKind(SyntaxKind.FunctionDeclaration)) {
+            return d
+              .getType()
+              .getCallSignatures()
+              .map(
+                (s) =>
+                  `(${s
+                    .getParameters()
+                    .map((s) => parseFunctionParameter(s))
+                    .join(', ')}) => ${s.getReturnType().getText()}`
+              )
+              .join(' | ');
+          } else {
+            return d.getType().getText();
+          }
+        })
+        .join(' | ')}`
+    );
+  }
+
+  return project;
+}
+
+/**
+ * 解析函数参数为字符串
+ */
+function parseFunctionParameter(parameter: Symbol): string {
+  debugger;
+  parameter.getFlags();
+
+  const name = parameter.getName();
+  const isOptional = parameter.isOptional();
+  const type = parseType(parameter.getDeclarations()[0].getType());
+
+  if (isOptional) {
+    return `${name}?: ${type}`;
+  } else {
+    return `${name}: ${type}`;
+  }
+}
+
+/**
+ * 解析函数
+ */
+function parseType(type: Type<ts.Type>): string {
+  if (type.isObject()) {
+    const properties = type.getApparentProperties();
+    return `{ ${properties
+      .map(
+        (p) => `${p.getName()}: ${parseType(p.getDeclarations()[0].getType())}`
+      )
+      .join(', ')} }`;
+  }
+
+  return type.getText();
+}
diff --git a/client/packages/plugin-declaration-generator/test/demo/bar.ts b/client/packages/plugin-declaration-generator/test/demo/bar.ts
index 5c5ec3db..7d5eb22d 100644
--- a/client/packages/plugin-declaration-generator/test/demo/bar.ts
+++ b/client/packages/plugin-declaration-generator/test/demo/bar.ts
@@ -4,3 +4,23 @@
 export function bar() {
   console.log('Anything else');
 }
+
+interface E {
+  f: symbol;
+}
+
+interface Options {
+  a: number;
+  b: string;
+  c: {
+    d: string;
+    e: E;
+  };
+}
+
+/**
+ * This is bar with complex input
+ */
+export function complexBar(input: Options) {
+  console.log('Anything else', input);
+}
diff --git a/client/packages/plugin-declaration-generator/test/demo/foo.ts b/client/packages/plugin-declaration-generator/test/demo/foo.ts
index 64aac6c3..e1c08f93 100644
--- a/client/packages/plugin-declaration-generator/test/demo/foo.ts
+++ b/client/packages/plugin-declaration-generator/test/demo/foo.ts
@@ -3,7 +3,11 @@ import * as mkdirp from 'mkdirp';
 /**
  * This is foo
  */
-export function foo(): void {
-  console.log('Anything');
+export function foo(input: string) {
+  console.log('Anything', input);
   mkdirp('./foo/foo/foo/foo/foo/foo/foo');
+
+  return input + 1;
 }
+
+export const fooVar = 'fooVar' as string;
diff --git a/client/packages/plugin-declaration-generator/test/demo/index.ts b/client/packages/plugin-declaration-generator/test/demo/index.ts
index a90b8b13..2a88800b 100644
--- a/client/packages/plugin-declaration-generator/test/demo/index.ts
+++ b/client/packages/plugin-declaration-generator/test/demo/index.ts
@@ -1,5 +1,5 @@
-export { foo } from '@/foo';
-export { bar } from '@/bar';
+export { foo, fooVar } from '@/foo';
+export { bar, complexBar } from '@/bar';
 
 /**
  * Root export
diff --git a/client/packages/plugin-declaration-generator/test/parser.ts b/client/packages/plugin-declaration-generator/test/parser.ts
new file mode 100644
index 00000000..e5192f24
--- /dev/null
+++ b/client/packages/plugin-declaration-generator/test/parser.ts
@@ -0,0 +1,14 @@
+import { parseDeclarationEntry } from '../src/parser';
+import path from 'path';
+
+const project = parseDeclarationEntry({
+  entryPath: path.resolve(__dirname, './demo/index.ts'),
+  project: {
+    tsConfigFilePath: path.resolve(__dirname, './demo/tsconfig.json'),
+  },
+});
+
+console.log(
+  'sourceFile',
+  project.getSourceFiles().map((item) => item.getFilePath())
+);
diff --git a/client/packages/plugin-declaration-generator/tsconfig.json b/client/packages/plugin-declaration-generator/tsconfig.json
index 8a74a36e..aefa88d0 100644
--- a/client/packages/plugin-declaration-generator/tsconfig.json
+++ b/client/packages/plugin-declaration-generator/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "target": "esnext",
-    "lib": ["DOM"],
+    "lib": ["ESNext"],
     "outDir": "lib",
     "declaration": true,
     "esModuleInterop": true,
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 96c69550..0ae969bd 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -230,11 +230,12 @@ importers:
       '@types/fs-extra': ^9.0.13
       '@types/lodash': ^4.14.170
       '@types/mkdirp': ^1.0.2
-      '@types/node': ^15.12.5
+      '@types/node': ^18.11.7
       fs-extra: ^10.0.0
       glob: ^7.2.0
       lodash: ^4.17.21
       mkdirp: ^1.0.4
+      ts-morph: ^16.0.0
       ts-node: ^10.0.0
       typescript: ^4.5.2
     dependencies:
@@ -246,6 +247,7 @@ importers:
       glob: 7.2.3
       lodash: 4.17.21
       mkdirp: 1.0.4
+      ts-morph: 16.0.0
       typescript: 4.7.4
     devDependencies:
       '@babel/types': 7.18.13
@@ -255,8 +257,8 @@ importers:
       '@types/fs-extra': 9.0.13
       '@types/lodash': 4.14.184
       '@types/mkdirp': 1.0.2
-      '@types/node': 15.14.9
-      ts-node: 10.9.1_bqee57coj3oib6dw4m24wknwqe
+      '@types/node': 18.11.7
+      ts-node: 10.9.1_piiski4mlexhenq5w47wjhr3ty
 
   client/shared:
     specifiers:
@@ -8982,6 +8984,15 @@ packages:
     engines: {node: '>=10.13.0'}
     dev: false
 
+  /@ts-morph/common/0.17.0:
+    resolution: {integrity: sha512-RMSSvSfs9kb0VzkvQ2NWobwnj7TxCA9vI/IjR9bDHqgAyVbu2T0DN4wiKVqomyDWqO7dPr/tErSfq7urQ1Q37g==}
+    dependencies:
+      fast-glob: 3.2.11
+      minimatch: 5.1.0
+      mkdirp: 1.0.4
+      path-browserify: 1.0.1
+    dev: false
+
   /@tsconfig/docusaurus/1.0.6:
     resolution: {integrity: sha512-1QxDaP54hpzM6bq9E+yFEo4F9WbWHhsDe4vktZXF/iDlc9FqGr9qlg+3X/nuKQXx8QxHV7ue8NXFazzajsxFBA==}
     dev: true
@@ -9340,7 +9351,7 @@ packages:
   /@types/fs-extra/9.0.13:
     resolution: {integrity: sha512-nEnwB++1u5lVDM2UI4c1+5R+FYaKfaAzS4OococimjVm3nQw3TuzH5UNsocrcTBbhnerblyHj4A49qXbIiZdpA==}
     dependencies:
-      '@types/node': 18.7.11
+      '@types/node': 18.11.7
 
   /@types/glob/7.2.0:
     resolution: {integrity: sha512-ZUxbzKl0IfJILTS6t7ip5fQQM/J3TJYubDm3nMbgubNNYS62eXeUpoLUC8/7fJNiFYHTrGPQn7hspDUzIHX3UA==}
@@ -9625,7 +9636,7 @@ packages:
   /@types/mkdirp/1.0.2:
     resolution: {integrity: sha512-o0K1tSO0Dx5X6xlU5F1D6625FawhC3dU3iqr25lluNv/+/QIVH8RLNEiVokgIZo+mz+87w/3Mkg/VvQS+J51fQ==}
     dependencies:
-      '@types/node': 18.7.11
+      '@types/node': 18.11.7
     dev: true
 
   /@types/mongoose/5.11.97:
@@ -9661,6 +9672,9 @@ packages:
     resolution: {integrity: sha512-w+tIMs3rq2afQdsPJlODhoUEKzFP1ayaoyl1CcnwtIlsVe7K7bA1NGm4s3PraqTLlXnbIN84zuBlxBWo1u9BLw==}
     dev: false
 
+  /@types/node/18.11.7:
+    resolution: {integrity: sha512-LhFTglglr63mNXUSRYD8A+ZAIu5sFqNJ4Y2fPuY7UlrySJH87rRRlhtVmMHplmfk5WkoJGmDjE9oiTfyX94CpQ==}
+
   /@types/node/18.7.11:
     resolution: {integrity: sha512-KZhFpSLlmK/sdocfSAjqPETTMd0ug6HIMIAwkwUpU79olnZdQtMxpQP+G1wDzCH7na+FltSIhbaZuKdwZ8RDrw==}
 
@@ -12850,6 +12864,10 @@ packages:
       chalk: 2.4.2
       q: 1.5.1
 
+  /code-block-writer/11.0.3:
+    resolution: {integrity: sha512-NiujjUFB4SwScJq2bwbYUtXbZhBSlY6vYzm++3Q6oC+U+injTqfPYFK8wS9COOmb2lueqp0ZRB4nK1VYeHgNyw==}
+    dev: false
+
   /code-excerpt/3.0.0:
     resolution: {integrity: sha512-VHNTVhd7KsLGOqfX3SyeO8RyYPMp1GJOg194VITk04WMYCv4plV68YWe6TJZxd9MhobjtpMRnVky01gqZsalaw==}
     engines: {node: '>=10'}
@@ -23372,6 +23390,10 @@ packages:
     resolution: {integrity: sha512-BapA40NHICOS+USX9SN4tyhq+A2RrN/Ws5F0Z5aMHDp98Fl86lX8Oti8B7uN93L4Ifv4fHOEA+pQw87gmMO/lQ==}
     dev: true
 
+  /path-browserify/1.0.1:
+    resolution: {integrity: sha512-b7uo2UCUOYZcnF/3ID0lulOJi/bafxa1xPe7ZPsammBSpjSWQkjNxlt635YGS2MiR9GjvuXCtz2emr3jbsz98g==}
+    dev: false
+
   /path-case/2.1.1:
     resolution: {integrity: sha512-Ou0N05MioItesaLr9q8TtHVWmJ6fxWdqKB2RohFmNWVyJ+2zeKIeDNWAN6B/Pe7wpzWChhZX6nONYmOnMeJQ/Q==}
     dependencies:
@@ -29952,6 +29974,13 @@ packages:
       yargs-parser: 20.2.9
     dev: true
 
+  /ts-morph/16.0.0:
+    resolution: {integrity: sha512-jGNF0GVpFj0orFw55LTsQxVYEUOCWBAbR5Ls7fTYE5pQsbW18ssTb/6UXx/GYAEjS+DQTp8VoTw0vqYMiaaQuw==}
+    dependencies:
+      '@ts-morph/common': 0.17.0
+      code-block-writer: 11.0.3
+    dev: false
+
   /ts-nkeys/1.0.16:
     resolution: {integrity: sha512-1qrhAlavbm36wtW+7NtKOgxpzl+70NTF8xlz9mEhiA5zHMlMxjj3sEVKWm3pGZhHXE0Q3ykjrj+OSRVaYw+Dqg==}
     dependencies:
@@ -30019,6 +30048,37 @@ packages:
       yn: 3.1.1
     dev: true
 
+  /ts-node/10.9.1_piiski4mlexhenq5w47wjhr3ty:
+    resolution: {integrity: sha512-NtVysVPkxxrwFGUUxGYhfux8k78pQB3JqYBXlLRZgdGUqTO5wU/UyHop5p70iEbGhB7q5KmiZiU0Y3KlJrScEw==}
+    hasBin: true
+    peerDependencies:
+      '@swc/core': '>=1.2.50'
+      '@swc/wasm': '>=1.2.50'
+      '@types/node': '*'
+      typescript: '>=2.7'
+    peerDependenciesMeta:
+      '@swc/core':
+        optional: true
+      '@swc/wasm':
+        optional: true
+    dependencies:
+      '@cspotcode/source-map-support': 0.8.1
+      '@tsconfig/node10': 1.0.9
+      '@tsconfig/node12': 1.0.11
+      '@tsconfig/node14': 1.0.3
+      '@tsconfig/node16': 1.0.3
+      '@types/node': 18.11.7
+      acorn: 8.8.0
+      acorn-walk: 8.2.0
+      arg: 4.1.3
+      create-require: 1.1.1
+      diff: 4.0.2
+      make-error: 1.3.6
+      typescript: 4.7.4
+      v8-compile-cache-lib: 3.0.1
+      yn: 3.1.1
+    dev: true
+
   /ts-node/10.9.1_rk33jgomelnuriwr3foeinccb4:
     resolution: {integrity: sha512-NtVysVPkxxrwFGUUxGYhfux8k78pQB3JqYBXlLRZgdGUqTO5wU/UyHop5p70iEbGhB7q5KmiZiU0Y3KlJrScEw==}
     hasBin: true