update to 1.x build errors

[luover]

Because the site has many doc books (11)，and I think more than 1000 pages.

Everythis is well in 0.x , after update 1.x ，other things is ok, But when i run

npm run build

The Error:

<--- JS stacktrace --->
==== JS stack trace =========================================
    0: ExitFrame [pc: 0x7bd89c4fc5d]
Security context: 0x16416609d9b1 <JSObject>
    1: new RegExp(aka RegExp) [0x164166088119](this=0x0671ad502691 <the_hole>,0x050f190ac3d1 <String[176]: ^[a-zA-Z][\-\.0-9_a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]*$>,0x0671ad5025b1 <undefined>)
    2: arguments adaptor frame: 1->2
    3: Cons...
FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory
 1: 0x9590c0 node::Abort() [node]
 2: 0x959d66 node::OnFatalError(char const*, char const*) [node]
 3: 0xb39fae v8::Utils::ReportOOMFailure(v8::internal::Isolate*, char const*, bool) [node]
 4: 0xb3a1e4 v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate*, char const*, bool) [node]
 5: 0xf39832  [node]
.........................
.........................
.........................

info

node -v : 11.7
npm -v : 6.5
os : ubantu 18.04.2 - x86-64
vuepress: 1.0.0-alpha.44 

[luover]

this is the same bug #966
I will follow that do a try.
It does't help me

This is the repo https://github.com/rustlang-cn/rustlang-cn

@ulivz can you help me? I do this thing a lot time. now i must deploy the site by hand.