diff --git a/application/controllers/keyworlds.php b/application/controllers/keyworlds.php
index 4168c4fa..f44e562c 100644
--- a/application/controllers/keyworlds.php
+++ b/application/controllers/keyworlds.php
@@ -338,7 +338,7 @@ class Keyworlds extends CI_Controller {
             $add = $this->Keywordsrank_model->add_rank($kw_id, $rank['rank'], $rank['rank_m'], $rank['source'], $rank['source_m'], $rank['engines']);
         }
         // rank 变化
-        if ($client_flag === 'PC') {
+        if ($client_flag === 'PC' && trim($last_rank[0]->kwr_rank) != "") {
             $this->load->model('InfoSMS_model');
             $last_rank_pc = isset($last_rank[0]) ? $last_rank[0]->kwr_rank : $rank['rank'];
             $this->InfoSMS_model->readed_for_info($kw_id, 'keywords_rank');
@@ -425,7 +425,7 @@ class Keyworlds extends CI_Controller {
                 $add = $this->Keywordsrank_model->add_rank($v->kw_id, $rank['rank'], $rank['rank_m'], $rank['source'], $rank['source_m'], $rank['engines']);
             }
             // rank 变化
-            if ($client_flag === 'PC') {
+            if ($client_flag === 'PC' && trim($last_rank_pc[0]->kwr_rank) != "") {
                 $this->load->model('InfoSMS_model');
                 $last_rank_pc = isset($last_rank_pc[0]) ? $last_rank_pc[0]->kwr_rank : $rank['rank'];
                 $this->InfoSMS_model->readed_for_info($v->kw_id, 'keywords_rank');