diff --git a/examples/checkdeadloop.lua b/examples/checkdeadloop.lua
index 46f395c1..d9648666 100644
--- a/examples/checkdeadloop.lua
+++ b/examples/checkdeadloop.lua
@@ -8,7 +8,7 @@ local function timeout_check(ti)
 	end
 	skynet.sleep(ti)	-- sleep 10 sec
 	for k,v in pairs(list) do
-		skynet.error("timout",ti,k,v)
+		skynet.error("timeout",ti,k,v)
 	end
 end
 
diff --git a/lualib-src/lua-cluster.c b/lualib-src/lua-cluster.c
index a1f32202..9aba8be1 100644
--- a/lualib-src/lua-cluster.c
+++ b/lualib-src/lua-cluster.c
@@ -265,7 +265,7 @@ unpackreq_number(lua_State *L, const uint8_t * buf, int sz) {
 	return_buffer(L, (const char *)buf+9, sz-9);
 	if (session == 0) {
 		lua_pushnil(L);
-		lua_pushboolean(L,1);	// is_push, no reponse
+		lua_pushboolean(L,1);	// is_push, no response
 		return 6;
 	}
 
@@ -326,7 +326,7 @@ unpackreq_string(lua_State *L, const uint8_t * buf, int sz) {
 	return_buffer(L, (const char *)buf+2+namesz+4, sz - namesz - 6);
 	if (session == 0) {
 		lua_pushnil(L);
-		lua_pushboolean(L,1);	// is_push, no reponse
+		lua_pushboolean(L,1);	// is_push, no response
 		return 6;
 	}
 
diff --git a/service/clusterd.lua b/service/clusterd.lua
index 44729966..82b19f5c 100644
--- a/service/clusterd.lua
+++ b/service/clusterd.lua
@@ -67,9 +67,9 @@ local function open_channel(t, key)
 			-- no sender or closed, always succ
 			succ = true
 		else
-			-- trun off the sender
+			-- turn off the sender
 			succ, err = pcall(skynet.call, c, "lua", "changenode", false)
-                        if succ then --trun off failed, wait next index todo turn off
+                        if succ then --turn off failed, wait next index todo turn off
                                 node_sender_closed[key] = true
                         end
 		end
@@ -118,7 +118,7 @@ local function loadconfig(tmp)
 			end
 			local ct = connecting[name]
 			if ct and ct.namequery and not config.nowaiting then
-				skynet.error(string.format("Cluster node [%s] resloved : %s", name, address))
+				skynet.error(string.format("Cluster node [%s] resolved : %s", name, address))
 				skynet.wakeup(ct.namequery)
 			end
 		end
diff --git a/test/testtimer.lua b/test/testtimer.lua
index 2ca2cbe0..2746bffc 100644
--- a/test/testtimer.lua
+++ b/test/testtimer.lua
@@ -25,7 +25,7 @@ local function test()
 end
 
 skynet.start(function()
-	skynet.trace_timeout(true)	-- trun on trace for timeout, skynet.task will returns more info.
+	skynet.trace_timeout(true)	-- turn on trace for timeout, skynet.task will returns more info.
 	test()
 
 	skynet.fork(wakeup, coroutine.running())