diff --git a/a8/luaengine.cc b/a8/luaengine.cc
index 9d32610..2771043 100644
--- a/a8/luaengine.cc
+++ b/a8/luaengine.cc
@@ -58,7 +58,7 @@ namespace a8
             lua_setglobal(lua_state_, module_varname.c_str());
             return true;
         } else {
-            OnScriptError("返回值不是table");
+            OnScriptError("return value is not table");
             return false;
         }
     }
@@ -103,20 +103,20 @@ namespace a8
             a8::ReplaceString(module_varname, ".", "_");
             lua_getglobal(lua_state_, module_varname.c_str());
             if (!lua_istable(lua_state_, -1)) {
-                OnScriptError(a8::Format("%s不是一个table", {module_name}));
+                OnScriptError(a8::Format("%s is not table", {module_name}));
                 lua_pop(lua_state_, 1);
                 return false;
             }
             lua_getfield(lua_state_, -1, func_name);
             if (!lua_isfunction(lua_state_, -1)) {
-                OnScriptError(a8::Format("%s函数找不到", {func_name}));
+                OnScriptError(a8::Format("%s function not found", {func_name}));
                 lua_pop(lua_state_, 2);
                 return false;
             }
         } else { // call global function
             lua_getglobal(lua_state_, func_name);
             if (!lua_isfunction(lua_state_, -1)) {
-                OnScriptError(a8::Format("%s函数找不到", {func_name}));
+                OnScriptError(a8::Format("%s function not found", {func_name}));
                 lua_pop(lua_state_, 1);
                 return false;
             }