diff --git a/locales/zh-CN/app.ftl b/locales/zh-CN/app.ftl
index 82dee277a3..2fef196cd6 100644
--- a/locales/zh-CN/app.ftl
+++ b/locales/zh-CN/app.ftl
@@ -731,6 +731,21 @@ TrackPower--tooltip-power-watt = { $value } W
 #   $value (String) - the power value at this location
 TrackPower--tooltip-power-milliwatt = { $value } mW
     .label = 功率
+# This is used in the tooltip when the power value uses the kilowatt unit.
+# Variables:
+#   $value (String) - the power value at this location
+TrackPower--tooltip-average-power-kilowatt = { $value } kW
+    .label = 当前选择范围内的平均功耗
+# This is used in the tooltip when the power value uses the watt unit.
+# Variables:
+#   $value (String) - the power value at this location
+TrackPower--tooltip-average-power-watt = { $value } W
+    .label = 当前选择范围内的平均功耗
+# This is used in the tooltip when the instant power value uses the milliwatt unit.
+# Variables:
+#   $value (String) - the power value at this location
+TrackPower--tooltip-average-power-milliwatt = { $value } mW
+    .label = 当前选择范围内的平均功耗
 # This is used in the tooltip when the energy used in the current range uses the
 # kilowatt-hour unit.
 # Variables: