diff --git a/common/src/main/java/org/apache/hertzbeat/common/entity/job/Metrics.java b/common/src/main/java/org/apache/hertzbeat/common/entity/job/Metrics.java
index 31be723c3c5..99d25fa6ac8 100644
--- a/common/src/main/java/org/apache/hertzbeat/common/entity/job/Metrics.java
+++ b/common/src/main/java/org/apache/hertzbeat/common/entity/job/Metrics.java
@@ -322,10 +322,6 @@ public static class Field {
          * Metric type 0-number: number 1-string: string
          */
         private byte type = 1;
-        /**
-         * Whether this field is the instance
-         */
-        private boolean instance = false;
         /**
          * Whether this field is the label
          */
diff --git a/home/i18n/zh-cn/docusaurus-plugin-content-docs/current/advanced/extend-jmx.md b/home/i18n/zh-cn/docusaurus-plugin-content-docs/current/advanced/extend-jmx.md
index 71bb06ba2b2..07acbbeeec9 100644
--- a/home/i18n/zh-cn/docusaurus-plugin-content-docs/current/advanced/extend-jmx.md
+++ b/home/i18n/zh-cn/docusaurus-plugin-content-docs/current/advanced/extend-jmx.md
@@ -155,7 +155,7 @@ metrics:
     # 具体监控指标列表
     fields:
       # field-metric name, type-metric type(0-number,1-string), unit-metric unit('%','ms','MB'), label-if is metrics label
-      # field-指标名称, type-指标类型(0-number数字,1-string字符串), unit-指标单位('%','ms','MB'), instance-是否是指标集合唯一标识符字段
+      # field-指标名称, type-指标类型(0-number数字,1-string字符串), unit-指标单位('%','ms','MB'), label-是否是指标集合唯一标识符字段
       - field: VmName
         type: 1
       - field: VmVendor
diff --git a/home/i18n/zh-cn/docusaurus-plugin-content-docs/current/advanced/extend-point.md b/home/i18n/zh-cn/docusaurus-plugin-content-docs/current/advanced/extend-point.md
index 6de319a1c15..5f390517206 100644
--- a/home/i18n/zh-cn/docusaurus-plugin-content-docs/current/advanced/extend-point.md
+++ b/home/i18n/zh-cn/docusaurus-plugin-content-docs/current/advanced/extend-point.md
@@ -150,7 +150,7 @@ metrics:
     # 具体监控指标列表
     fields:
       # field-metric name, type-metric type(0-number,1-string), unit-metric unit('%','ms','MB'), label-if is metrics label
-      # field-指标名称, type-指标类型(0-number数字,1-string字符串), unit-指标单位('%','ms','MB'), instance-是否是指标集合唯一标识符字段
+      # field-指标名称, type-指标类型(0-number数字,1-string字符串), unit-指标单位('%','ms','MB'), label-是否是指标集合唯一标识符字段
       - field: responseTime
         type: 0
         unit: ms
diff --git a/home/i18n/zh-cn/docusaurus-plugin-content-docs/current/advanced/extend-snmp.md b/home/i18n/zh-cn/docusaurus-plugin-content-docs/current/advanced/extend-snmp.md
index 387d67c5987..6e61ec3fa81 100644
--- a/home/i18n/zh-cn/docusaurus-plugin-content-docs/current/advanced/extend-snmp.md
+++ b/home/i18n/zh-cn/docusaurus-plugin-content-docs/current/advanced/extend-snmp.md
@@ -162,7 +162,7 @@ metrics:
     # 具体监控指标列表
     fields:
       # field-metric name, type-metric type(0-number,1-string), unit-metric unit('%','ms','MB'), label-if is metrics label
-      # field-指标名称, type-指标类型(0-number数字,1-string字符串), unit-指标单位('%','ms','MB'), instance-是否是指标集合唯一标识符字段
+      # field-指标名称, type-指标类型(0-number数字,1-string字符串), unit-指标单位('%','ms','MB'), label-是否是指标集合唯一标识符字段
       - field: name
         type: 1
       - field: descr
diff --git a/manager/src/main/resources/define/app-spring_gateway.yml b/manager/src/main/resources/define/app-spring_gateway.yml
index d7333237c73..4d3688ac43d 100644
--- a/manager/src/main/resources/define/app-spring_gateway.yml
+++ b/manager/src/main/resources/define/app-spring_gateway.yml
@@ -117,7 +117,7 @@ metrics:
     priority: 0
     # collect metrics content
     fields:
-      # field-metric name, type-metric type(0-number,1-string), instance-is instance primary key, unit-metric unit
+      # field-metric name, type-metric type(0-number,1-string), label-is label primary key, unit-metric unit
       - field: responseTime
         type: 0
         unit: ms
@@ -262,7 +262,7 @@ metrics:
         i18n:
           zh-CN: 状态
           en-US: State
-        instance: true
+        label: true
       - field: size
         type: 0
         i18n:
@@ -324,7 +324,7 @@ metrics:
         i18n:
           zh-CN: 空间
           en-US: Space
-        instance: true
+        label: true
       - field: mem_used
         type: 0
         i18n:
@@ -413,7 +413,7 @@ metrics:
         i18n:
           zh-CN: 路由 ID
           en-US: Route ID
-        instance: true
+        label: true
       - field: predicate
         type: 1
         i18n: