修复帮助皮肤中设置模糊为0时不生效的问题

apps/help/theme.js

@@ -45,7 +45,7 @@ let Theme = {
     .help-table .td,.help-table .th{width:${100 / colCount}%}
     `]
     let css = function (sel, css, key, def, fn) {
-      let val = themeStyle[key] || diyStyle[key] || sysStyle[key] || def
+      let val = Data.def(themeStyle[key], diyStyle[key], sysStyle[key], def)
       if (fn) {
         val = fn(val)
       }

components/App.js

@@ -93,6 +93,8 @@ class App {
 
   // v2执行方法
   v2App (e) {
+    let cfg = this.cfg || {}
+    let event = cfg.event
     let apps = this.apps
     return async function (e) {
       let msg = e.original_msg || e.msg || ''
@@ -114,6 +116,11 @@ class App {
               return true
             }
           }
+        } else if (event === 'poke' && msg === '#poke#') {
+          let ret = await app.fn(e, {})
+          if (ret === true) {
+            return true
+          }
         }
       }
       return false