fix

scripts/lib/my_uuid.lua

@@ -5,8 +5,10 @@ function _M.uuid()
 
     local handle = io.popen(uuid_cmd)
     local result = handle:read("*a")
-    ngx.log(ngx.INFO, "uuid -> ", result)
-    return result
+    local r2 = string.gsub(result, "%s+", "")
+    local r3 = string.gsub(r2,"\n","")
+    ngx.log(ngx.INFO, "uuid -> ", r3)
+    return r3
 end
 
 return _M