diff --git a/packages/vant-cli/package.json b/packages/vant-cli/package.json
index 7fa4fa23b..33f38f3bd 100644
--- a/packages/vant-cli/package.json
+++ b/packages/vant-cli/package.json
@@ -43,6 +43,7 @@
   },
   "dependencies": {
     "@babel/core": "^7.7.5",
+    "@babel/plugin-proposal-nullish-coalescing-operator": "^7.7.4",
     "@babel/plugin-proposal-optional-chaining": "^7.7.5",
     "@babel/plugin-syntax-jsx": "^7.7.4",
     "@babel/plugin-transform-object-assign": "^7.7.4",
diff --git a/packages/vant-cli/src/config/babel.config.ts b/packages/vant-cli/src/config/babel.config.ts
index b68a6be2a..de0ac4cef 100644
--- a/packages/vant-cli/src/config/babel.config.ts
+++ b/packages/vant-cli/src/config/babel.config.ts
@@ -40,7 +40,8 @@ module.exports = function() {
         'vant'
       ],
       '@babel/plugin-transform-object-assign',
-      '@babel/plugin-proposal-optional-chaining'
+      '@babel/plugin-proposal-optional-chaining',
+      '@babel/plugin-proposal-nullish-coalescing-operator'
     ]
   };
 };
diff --git a/packages/vant-cli/yarn.lock b/packages/vant-cli/yarn.lock
index 0425aa77f..b040ab37d 100644
--- a/packages/vant-cli/yarn.lock
+++ b/packages/vant-cli/yarn.lock
@@ -373,6 +373,14 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-json-strings" "^7.7.4"
 
+"@babel/plugin-proposal-nullish-coalescing-operator@^7.7.4":
+  version "7.7.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-nullish-coalescing-operator/-/plugin-proposal-nullish-coalescing-operator-7.7.4.tgz#7db302c83bc30caa89e38fee935635ef6bd11c28"
+  integrity sha512-TbYHmr1Gl1UC7Vo2HVuj/Naci5BEGNZ0AJhzqD2Vpr6QPFWpUmBRLrIDjedzx7/CShq0bRDS2gI4FIs77VHLVQ==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-syntax-nullish-coalescing-operator" "^7.7.4"
+
 "@babel/plugin-proposal-object-rest-spread@^7.7.4":
   version "7.7.4"
   resolved "https://registry.npm.taobao.org/@babel/plugin-proposal-object-rest-spread/download/@babel/plugin-proposal-object-rest-spread-7.7.4.tgz?cache=0&sync_timestamp=1574466000666&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40babel%2Fplugin-proposal-object-rest-spread%2Fdownload%2F%40babel%2Fplugin-proposal-object-rest-spread-7.7.4.tgz#cc57849894a5c774214178c8ab64f6334ec8af71"
@@ -440,6 +448,13 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
+"@babel/plugin-syntax-nullish-coalescing-operator@^7.7.4":
+  version "7.7.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-nullish-coalescing-operator/-/plugin-syntax-nullish-coalescing-operator-7.7.4.tgz#e53b751d0c3061b1ba3089242524b65a7a9da12b"
+  integrity sha512-XKh/yIRPiQTOeBg0QJjEus5qiSKucKAiApNtO1psqG7D17xmE+X2i5ZqBEuSvo0HRuyPaKaSN/Gy+Ha9KFQolw==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+
 "@babel/plugin-syntax-object-rest-spread@^7.0.0":
   version "7.2.0"
   resolved "https://registry.npm.taobao.org/@babel/plugin-syntax-object-rest-spread/download/@babel/plugin-syntax-object-rest-spread-7.2.0.tgz#3b7a3e733510c57e820b9142a6579ac8b0dfad2e"