diff --git a/Action.js b/Action.js
index 82b53d8..18650de 100644
--- a/Action.js
+++ b/Action.js
@@ -1,5 +1,6 @@
-var Ling = require('so.ling')
-var ticCrypto = require('tic.crypto')
+const Ling = require('so.ling')
+const ticCrypto = require('tic.crypto')
+const wo = require('./index.js') // 许多地方需要 wo[type]
 
 /** ****************** Public of instance ********************/
 
diff --git a/ActionMultisig.js b/ActionMultisig.js
index dc9ac38..6f99b10 100644
--- a/ActionMultisig.js
+++ b/ActionMultisig.js
@@ -197,6 +197,8 @@ MOM.executeMe = async function () {
 
 DAD.pendingPool = {} // 存放所有待签名的多重签名账户交易
 
+DAD.api = {}
+
 /* 为挂起状态的多重签名交易提供查询服务 */
 DAD.api.pendingAction = function (option) {
   return DAD.pendingPool[option.id]
diff --git a/index.js b/index.js
index 08a551d..06fe1d8 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,4 @@
-const Action = require('./Action.js')
+// const Action = require('./Action.js')  // 不要在 index 里引入 Action，避免循环无限引入。
 const ActionTransfer = require('./ActionTransfer.js')
 const ActionStore = require('./ActionStore.js')
 const ActionMultisig = require('./ActionMultisig.js')
@@ -6,10 +6,10 @@ const ActionLockProof = require('./ActionLockProof.js')
 const ActionTac = require('./ActionTac.js')
 
 module.exports = {
-	Action,
+//	Action,
     ActionTransfer,
     ActionStore,
     ActionMultisig,
     ActionLockProof,
-    ActionTac
+//    ActionTac
 }
\ No newline at end of file