diff --git a/jsonparse/web_cmd_parse2.cpp b/jsonparse/web_cmd_parse2.cpp
index 559ab2d..1e2c5e0 100644
--- a/jsonparse/web_cmd_parse2.cpp
+++ b/jsonparse/web_cmd_parse2.cpp
@@ -662,7 +662,12 @@ std::string JsonData::JsonCmd_Cgi_30(Param_30 &param) {
         }
     }
     if(param.mMode == 0 && productNo == "02"){
-        resolution = 1 / 1.6;
+        std::string::size_type comper = param.mChannelId.find("Z");
+        if (comper != std::string::npos) {
+            resolution = 1.0666;
+        }else{
+            resolution = 1 / 1.6;
+        }
     }else if(param.mMode == 1 && productNo == "02"){
         resolution = 1 / 3.2;
     }