diff --git a/deployer/src/main/resources/metrics/Canal_instances_tmpl.json b/deployer/src/main/resources/metrics/Canal_instances_tmpl.json
index 141810c0..89fd3329 100644
--- a/deployer/src/main/resources/metrics/Canal_instances_tmpl.json
+++ b/deployer/src/main/resources/metrics/Canal_instances_tmpl.json
@@ -826,7 +826,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "${DS_PROMETHEUS}",
+      "datasource": "$datasource",
       "description": "client 请求的GET与ACK包的QPS。",
       "fill": 1,
       "gridPos": {