1.8.1

3 files changed, 17 insertions, 5 deletions

diff --git a/changelog.md b/changelog.md
index 3fc65ff2..76681f22 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,8 @@
 # changelog
 
+## 1.8.1
+* `FIX` telemetry: connect failed caused not working
+
 ## 1.8.0
 `2020-12-23`
 * `NEW` runtime: support nonstandard symbol
diff --git a/script/timer.lua b/script/timer.lua
index 1d4343f1..7857be6f 100644
--- a/script/timer.lua
+++ b/script/timer.lua
@@ -2,6 +2,8 @@ local setmetatable = setmetatable
 local mathMax      = math.max
 local mathFloor    = math.floor
 local osClock      = os.clock
+local xpcall       = xpcall
+local logError     = log.error
 
 _ENV = nil
 
@@ -43,7 +45,7 @@ local function mWakeup(self)
     end
     self._running = false
     if self._onTimer then
-        self:_onTimer()
+        xpcall(self._onTimer, logError, self)
     end
     if self._removed then
         return
diff --git a/script/tracy.lua b/script/tracy.lua
index 69933308..bf93a103 100644
--- a/script/tracy.lua
+++ b/script/tracy.lua
@@ -1,9 +1,16 @@
-local suc = pcall(require, 'luatracy')
-local originTracy = tracy
+local originTracy
 
 local function enable()
-    if not suc then
-        return
+    if not originTracy then
+        local suc = pcall(require, 'luatracy')
+        if suc then
+            originTracy = tracy
+        else
+            originTracy = {
+                ZoneBeginN = function (info) end,
+                ZoneEnd    = function () end,
+            }
+        end
     end
     tracy = originTracy
 end