fix(layout): try to locate the error exactly #1807

Author: giraud florent

packages/@vuepress/core/package.json

@@ -54,11 +54,11 @@
     "postcss-safe-parser": "^4.0.1",
     "toml": "^3.0.0",
     "url-loader": "^1.0.1",
-    "vue": "^^2.6.10",
+    "vue": "^2.6.10",
     "vue-loader": "^15.2.4",
     "vue-router": "^3.0.2",
-    "vue-server-renderer": "^^2.6.10",
-    "vue-template-compiler": "^^2.6.10",
+    "vue-server-renderer": "^2.6.10",
+    "vue-template-compiler": "^2.6.10",
     "vuepress-html-webpack-plugin": "^3.2.0",
     "vuepress-plugin-container": "^2.0.0",
     "webpack": "^4.8.1",