diff --git a/lib/index.js b/lib/index.js
index 3baf3f0..6c7ef94 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -12,6 +12,24 @@ function run() {
   const [runCmd, tscArgs, runArgs, isCleanDirectory] = parseArgs(process.argv);
   const cwd = process.cwd();
 
+  let outDir;
+  const projectIndex = tscArgs.findIndex(arg => arg === '--project');
+  if (projectIndex !== -1) {
+    const projectPath = tscArgs[projectIndex + 1];
+    const tsconfig = readJSONFile(path.resolve(cwd, projectPath));
+    outDir = tsconfig.compilerOptions.outDir;
+  } else {
+    const outDirIndex = tscArgs.findIndex(arg => arg === '--outDir');
+    if (outDirIndex !== -1) {
+      outDir = tscArgs[outDirIndex + 1];
+    } else {
+      const tsconfig = readJSONFile(path.resolve(cwd, 'tsconfig.json'));
+      outDir = tsconfig.compilerOptions.outDir;
+    }
+  }
+
+  runArgs.push('--baseDir', path.resolve(cwd, outDir));
+
   if (isCleanDirectory) {
     /**
      * 删除编译目录，有几种情况
@@ -19,22 +37,6 @@ function run() {
      * 2、tscArgs 中没有 --outDir 参数，从 tsconfig.json 中读取 outDir 参数
      * 3、如果 tscArgs 中包含 --project 参数，那么就以 --project 参数指定的 tsconfig.json 为准
      */
-    let outDir;
-    const projectIndex = tscArgs.findIndex(arg => arg === '--project');
-    if (projectIndex !== -1) {
-      const projectPath = tscArgs[projectIndex + 1];
-      const tsconfig = readJSONFile(path.resolve(cwd, projectPath));
-      outDir = tsconfig.compilerOptions.outDir;
-    } else {
-      const outDirIndex = tscArgs.findIndex(arg => arg === '--outDir');
-      if (outDirIndex !== -1) {
-        outDir = tscArgs[outDirIndex + 1];
-      } else {
-        const tsconfig = readJSONFile(path.resolve(cwd, 'tsconfig.json'));
-        outDir = tsconfig.compilerOptions.outDir;
-      }
-    }
-
     deleteFolderRecursive(path.resolve(cwd, outDir));
   }