纠错：完善 index.js 返回所有 ActionXxx 子类

index.js

@@ -1,6 +1,15 @@
 const Action = require('./Action.js')
 const ActionTransfer = require('./ActionTransfer.js')
+const ActionStore = require('./ActionStore.js')
+const ActionMultisig = require('./ActionMultisig.js')
+const ActionLockProof = require('./ActionLockProof.js')
+const ActionTac = require('./ActionTac.js')
+
 module.exports = {
 	Action,
-    ActionTransfer
+    ActionTransfer,
+    ActionStore,
+    ActionMultisig,
+    ActionLockProof,
+    ActionTac
 }