diff --git a/packages/create-vant-cli-app/tsconfig.json b/packages/create-vant-cli-app/tsconfig.json
index 83790d350..d40c806f7 100644
--- a/packages/create-vant-cli-app/tsconfig.json
+++ b/packages/create-vant-cli-app/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "ES2017",
+    "target": "ES2019",
     "outDir": "./lib",
     "module": "commonjs",
     "strict": true,
diff --git a/packages/vant-cli/tsconfig.json b/packages/vant-cli/tsconfig.json
index 136f37d4e..8921c1271 100644
--- a/packages/vant-cli/tsconfig.json
+++ b/packages/vant-cli/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "ES2017",
+    "target": "ES2019",
     "outDir": "./lib",
     "module": "commonjs",
     "strict": true,
diff --git a/packages/vant-markdown-vetur/tsconfig.json b/packages/vant-markdown-vetur/tsconfig.json
index 83790d350..d40c806f7 100644
--- a/packages/vant-markdown-vetur/tsconfig.json
+++ b/packages/vant-markdown-vetur/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "ES2017",
+    "target": "ES2019",
     "outDir": "./lib",
     "module": "commonjs",
     "strict": true,
diff --git a/packages/vant-popperjs/tsconfig.json b/packages/vant-popperjs/tsconfig.json
index 9d288145e..3526c0d68 100644
--- a/packages/vant-popperjs/tsconfig.json
+++ b/packages/vant-popperjs/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "es5",
+    "target": "ES5",
     "outDir": "./dist",
     "module": "ES2015",
     "strict": true,
diff --git a/tsconfig.json b/tsconfig.json
index 924e6b665..6f2985f87 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,8 +2,8 @@
   "compilerOptions": {
     "baseUrl": ".",
     "jsx": "preserve",
-    "target": "esnext",
-    "module": "esnext",
+    "target": "ES2019",
+    "module": "ESNext",
     "strict": true,
     "allowJs": true,
     "skipLibCheck": true,