diff --git a/resources/templates/provision/yealink/cp860/{$mac}.cfg b/resources/templates/provision/yealink/cp860/{$mac}.cfg
index ab1d173fdd..6c2e6b83fd 100644
--- a/resources/templates/provision/yealink/cp860/{$mac}.cfg
+++ b/resources/templates/provision/yealink/cp860/{$mac}.cfg
@@ -924,8 +924,8 @@ account.2.xsi.port =
 #Configure the time zone and time zone name. The time zone ranges from -11 to +12, the default value is +8.
 #local_time.time_zone = +8
 #local_time.time_zone_name = China(Beijing) 
-local_time.time_zone = 
-local_time.time_zone_name = 
+local_time.time_zone = ${time_zone}
+local_time.time_zone_name = ${time_zone_name}
 
 
 #######################################################################################
diff --git a/resources/templates/provision/yealink/t21p/{$mac}.cfg b/resources/templates/provision/yealink/t21p/{$mac}.cfg
index 55f73df4e4..d07ef9cbee 100644
--- a/resources/templates/provision/yealink/t21p/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t21p/{$mac}.cfg
@@ -924,8 +924,8 @@ account.2.xsi.port =
 #Configure the time zone and time zone name. The time zone ranges from -11 to +12, the default value is +8.
 #local_time.time_zone = +8
 #local_time.time_zone_name = China(Beijing) 
-local_time.time_zone = 
-local_time.time_zone_name = 
+local_time.time_zone = ${time_zone}
+local_time.time_zone_name = ${time_zone_name}
 
 
 #######################################################################################
diff --git a/resources/templates/provision/yealink/t23g/{$mac}.cfg b/resources/templates/provision/yealink/t23g/{$mac}.cfg
index 4ca331c9e8..968318b4d8 100644
--- a/resources/templates/provision/yealink/t23g/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t23g/{$mac}.cfg
@@ -924,8 +924,8 @@ account.2.xsi.port =
 #Configure the time zone and time zone name. The time zone ranges from -11 to +12, the default value is +8.
 #local_time.time_zone = +8
 #local_time.time_zone_name = China(Beijing) 
-local_time.time_zone = 
-local_time.time_zone_name = 
+local_time.time_zone = ${time_zone}
+local_time.time_zone_name = ${time_zone_name}
 
 
 #######################################################################################
diff --git a/resources/templates/provision/yealink/t23p/{$mac}.cfg b/resources/templates/provision/yealink/t23p/{$mac}.cfg
index 4ca331c9e8..968318b4d8 100644
--- a/resources/templates/provision/yealink/t23p/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t23p/{$mac}.cfg
@@ -924,8 +924,8 @@ account.2.xsi.port =
 #Configure the time zone and time zone name. The time zone ranges from -11 to +12, the default value is +8.
 #local_time.time_zone = +8
 #local_time.time_zone_name = China(Beijing) 
-local_time.time_zone = 
-local_time.time_zone_name = 
+local_time.time_zone = ${time_zone}
+local_time.time_zone_name = ${time_zone_name}
 
 
 #######################################################################################
diff --git a/resources/templates/provision/yealink/t27p/{$mac}.cfg b/resources/templates/provision/yealink/t27p/{$mac}.cfg
index 4ca331c9e8..968318b4d8 100644
--- a/resources/templates/provision/yealink/t27p/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t27p/{$mac}.cfg
@@ -924,8 +924,8 @@ account.2.xsi.port =
 #Configure the time zone and time zone name. The time zone ranges from -11 to +12, the default value is +8.
 #local_time.time_zone = +8
 #local_time.time_zone_name = China(Beijing) 
-local_time.time_zone = 
-local_time.time_zone_name = 
+local_time.time_zone = ${time_zone}
+local_time.time_zone_name = ${time_zone_name}
 
 
 #######################################################################################
diff --git a/resources/templates/provision/yealink/t29g/{$mac}.cfg b/resources/templates/provision/yealink/t29g/{$mac}.cfg
index 4ca331c9e8..968318b4d8 100644
--- a/resources/templates/provision/yealink/t29g/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t29g/{$mac}.cfg
@@ -924,8 +924,8 @@ account.2.xsi.port =
 #Configure the time zone and time zone name. The time zone ranges from -11 to +12, the default value is +8.
 #local_time.time_zone = +8
 #local_time.time_zone_name = China(Beijing) 
-local_time.time_zone = 
-local_time.time_zone_name = 
+local_time.time_zone = ${time_zone}
+local_time.time_zone_name = ${time_zone_name}
 
 
 #######################################################################################
diff --git a/resources/templates/provision/yealink/t41p/{$mac}.cfg b/resources/templates/provision/yealink/t41p/{$mac}.cfg
index 4ca331c9e8..968318b4d8 100644
--- a/resources/templates/provision/yealink/t41p/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t41p/{$mac}.cfg
@@ -924,8 +924,8 @@ account.2.xsi.port =
 #Configure the time zone and time zone name. The time zone ranges from -11 to +12, the default value is +8.
 #local_time.time_zone = +8
 #local_time.time_zone_name = China(Beijing) 
-local_time.time_zone = 
-local_time.time_zone_name = 
+local_time.time_zone = ${time_zone}
+local_time.time_zone_name = ${time_zone_name}
 
 
 #######################################################################################
diff --git a/resources/templates/provision/yealink/t42g/{$mac}.cfg b/resources/templates/provision/yealink/t42g/{$mac}.cfg
index cfb1119ee4..39e50b45ba 100644
--- a/resources/templates/provision/yealink/t42g/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t42g/{$mac}.cfg
@@ -924,8 +924,8 @@ account.2.xsi.port =
 #Configure the time zone and time zone name. The time zone ranges from -11 to +12, the default value is +8.
 #local_time.time_zone = +8
 #local_time.time_zone_name = China(Beijing) 
-local_time.time_zone = 
-local_time.time_zone_name = 
+local_time.time_zone = ${time_zone}
+local_time.time_zone_name = ${time_zone_name}
 
 
 #######################################################################################
diff --git a/resources/templates/provision/yealink/t46g/{$mac}.cfg b/resources/templates/provision/yealink/t46g/{$mac}.cfg
index 8d865bda5d..35649cf402 100644
--- a/resources/templates/provision/yealink/t46g/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t46g/{$mac}.cfg
@@ -924,8 +924,8 @@ account.2.xsi.port =
 #Configure the time zone and time zone name. The time zone ranges from -11 to +12, the default value is +8.
 #local_time.time_zone = +8
 #local_time.time_zone_name = China(Beijing) 
-local_time.time_zone = 
-local_time.time_zone_name = 
+local_time.time_zone = ${time_zone}
+local_time.time_zone_name = ${time_zone_name}
 
 
 #######################################################################################
@@ -2399,8 +2399,8 @@ account.5.xsi.port =
 #Configure the time zone and time zone name. The time zone ranges from -11 to +12, the default value is +8.
 #local_time.time_zone = +8
 #local_time.time_zone_name = China(Beijing) 
-local_time.time_zone = 
-local_time.time_zone_name = 
+local_time.time_zone = ${time_zone}
+local_time.time_zone_name = ${time_zone_name}
 
 
 #######################################################################################
diff --git a/resources/templates/provision/yealink/t48g/{$mac}.cfg b/resources/templates/provision/yealink/t48g/{$mac}.cfg
index d72ea0ae4d..c9387f2da9 100644
--- a/resources/templates/provision/yealink/t48g/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t48g/{$mac}.cfg
@@ -924,8 +924,8 @@ account.2.xsi.port =
 #Configure the time zone and time zone name. The time zone ranges from -11 to +12, the default value is +8.
 #local_time.time_zone = +8
 #local_time.time_zone_name = China(Beijing) 
-local_time.time_zone = 
-local_time.time_zone_name = 
+local_time.time_zone = ${time_zone}
+local_time.time_zone_name = ${time_zone_name}
 
 
 #######################################################################################