diff --git a/alerter/src/main/java/com/usthe/alert/controller/AlertDefineController.java b/alerter/src/main/java/com/usthe/alert/controller/AlertDefineController.java
index 33a07bb..200e23c 100644
--- a/alerter/src/main/java/com/usthe/alert/controller/AlertDefineController.java
+++ b/alerter/src/main/java/com/usthe/alert/controller/AlertDefineController.java
@@ -21,6 +21,7 @@ import org.springframework.web.bind.annotation.RestController;
 import javax.validation.Valid;
 
 import java.util.List;
+import java.util.stream.Collectors;
 
 import static com.usthe.common.util.CommonConstants.MONITOR_NOT_EXIST_CODE;
 import static org.springframework.http.MediaType.APPLICATION_JSON_VALUE;
@@ -94,6 +95,7 @@ public class AlertDefineController {
     public ResponseEntity<Message<List<AlertDefineMonitorBind>>> getAlertDefineMonitorsBind(
             @ApiParam(value = "告警定义ID", example = "6565463543") @PathVariable("alertDefineId") long alertDefineId) {
         List<AlertDefineMonitorBind> defineBinds = alertDefineService.getBindAlertDefineMonitors(alertDefineId);
+        defineBinds = defineBinds.stream().filter(item -> item.getMonitor() != null).collect(Collectors.toList());
         return ResponseEntity.ok(new Message<>(defineBinds));
     }
 
diff --git a/common/src/main/java/com/usthe/common/entity/alerter/AlertDefineMonitorBind.java b/common/src/main/java/com/usthe/common/entity/alerter/AlertDefineMonitorBind.java
index 49d9a52..7aaee70 100644
--- a/common/src/main/java/com/usthe/common/entity/alerter/AlertDefineMonitorBind.java
+++ b/common/src/main/java/com/usthe/common/entity/alerter/AlertDefineMonitorBind.java
@@ -7,6 +7,8 @@ import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
+import org.hibernate.annotations.NotFound;
+import org.hibernate.annotations.NotFoundAction;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
@@ -58,5 +60,6 @@ public class AlertDefineMonitorBind {
 
     @OneToOne(fetch = FetchType.EAGER)
     @JoinColumn(name = "monitor_id", referencedColumnName = "id", insertable = false, updatable = false)
+    @NotFound(action = NotFoundAction.IGNORE)
     private Monitor monitor;
 }