PrimeNG p消息严重性图标涵盖消息（Angular 6 / PrimeIcons）

Question

如下所示，消息框上的严重性图标涵盖了实际消息。其他人有没有经历过和/或知道解决它的方法（不需要对源代码进行黑客攻击）？谢谢。

版本：

"primeicons": "1.0.0-beta.10",
"primeng": "6.1.0",

---

Angular CLI: 6.0.8
Node: 8.9.4
OS: win32 x64
Angular: 6.1.1
... animations, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.6.8
@angular-devkit/build-angular     0.7.2
@angular-devkit/build-optimizer   0.7.2
@angular-devkit/build-webpack     0.7.2
@angular-devkit/core              0.6.8
@angular-devkit/schematics        0.6.8
@angular/cli                      6.0.8
@ngtools/webpack                  6.1.2
@schematics/angular               0.6.8
@schematics/update                0.6.8
rxjs                              6.2.2
typescript                        2.7.2
webpack                           4.9.2