diff --git a/server/web3bcspider/blockchain.js b/server/web3bcspider/blockchain.js
index ca6ba05..4dca630 100644
--- a/server/web3bcspider/blockchain.js
+++ b/server/web3bcspider/blockchain.js
@@ -12,6 +12,7 @@ const metaFactory = require('./metadata/factory');
 class BlockChain {
 
   constructor(netId) {
+    this.actived = false;
     this.netId = netId;
     this.lastQueryTime = utils.getUtcTime();
     this.queryLockTimes = 0;
@@ -53,6 +54,18 @@ class BlockChain {
                          this.netId,
                          chainId
                         ));
+    {
+      await this.mustBeActive();
+      const netId = this.getNetId();
+      console.log('net_id:', netId, ' blockNumber:', this.getCurrBlockNumber(),
+                  ' handleRevert:', this.web3.eth.handleRevert, ' isOnlineEnv:', utils.isOnlineEnv());
+    }
+  }
+
+  async mustBeActive() {
+    while (!this.actived) {
+      await utils.sleep(1000);
+    }
   }
 
   getNetId() {
@@ -99,17 +112,13 @@ class BlockChain {
   }
 
   async refreshBlockNumber() {
-    const logHead = 'refreshBlockNumber';
+    const logHead = ' refreshBlockNumber:';
     while (true) {
       try {
         this.currBlockNumber = await this.web3.eth.getBlockNumber();
         this.actived = true;
         this.lastRefreshTime = utils.getUtcTime();
         console.log('currBlockNumber', this.currBlockNumber);
-        if (!this.initedBlockNumber) {
-          this.initedBlockNumber = true;
-          this.initBlockNumber = this.currBlockNumber;
-        }
       } catch (e) {
         this.actived = false;
         log.warning(util.format('%s err:%s',