diff --git a/server/wsproxy/iomgr.cc b/server/wsproxy/iomgr.cc
index 05c8e27..460f1c7 100644
--- a/server/wsproxy/iomgr.cc
+++ b/server/wsproxy/iomgr.cc
@@ -6,7 +6,9 @@
 
 void IoMgr::Init()
 {
-
+    for (int i = 0; i < IC_Max; ++i) {
+        io_contexts_.push_back(std::vector<std::shared_ptr<asio::io_context>>());
+    }
 }
 
 void IoMgr::UnInit()