diff --git a/tests/assets/linux/crdt.so b/tests/assets/linux/crdt.so
index 09ddeebc..6dfee8b3 100755
Binary files a/tests/assets/linux/crdt.so and b/tests/assets/linux/crdt.so differ
diff --git a/tests/ctrip/unit/string.tcl b/tests/ctrip/unit/string.tcl
index 815a1f31..8c1c555f 100644
--- a/tests/ctrip/unit/string.tcl
+++ b/tests/ctrip/unit/string.tcl
@@ -415,6 +415,11 @@ start_server {tags {"string"} config {crdt.conf} overrides {crdt-gid 1 repl-disk
         assert {$ttl <= 10 && $ttl > 5}
     }
 
+    test {"setex time error"} {
+        catch { r setex key -1000 value } error
+        set _ $error
+    } {*ERR invalid expire time in set*}
+
     # test {GETRANGE with huge ranges, Github issue #1844} {
     #     r set foo bar
     #     r getrange foo 0 4294967297