diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index d6253ee..1fec52b 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -17,7 +17,7 @@ jobs:
             -   name: Setup Node.js
                 uses: actions/setup-node@v1
                 with:
-                    node-version: 14
+                    node-version: 18
             -   name: NPM Install and Test
                 run: |
                     npm install
diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index c35b70f..fbc894d 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x, 14.x]
+        node-version: [16.x, 18.x]
 
     steps:
       - uses: actions/checkout@v1
diff --git a/lib/_base.scss b/lib/_base.scss
index e70ada0..c44d88b 100644
--- a/lib/_base.scss
+++ b/lib/_base.scss
@@ -110,19 +110,15 @@
   // 非中文时不加间距
   letter-spacing: $letter-spacing-medium;
   @include non-cjk-block {
-  letter-spacing: $letter-spacing-normal;
-  
+    letter-spacing: $letter-spacing-normal;
   }
 
-  a, 
-  abbr, 
-  code, 
-  heti-spacing, 
+  a,
+  abbr,
+  code,
+  heti-spacing,
   [lang="en-US"] {
-    /* 
-      There should be no leeter-spacing between
-      English characters.
-    */
-    letter-spacing: normal; 
-  }  
+    // There should be no leeter-spacing between English characters.
+    letter-spacing: normal;
+  }
 }