diff --git a/server/model/monitor.js b/server/model/monitor.js
index b8e8eb30..16277287 100644
--- a/server/model/monitor.js
+++ b/server/model/monitor.js
@@ -81,7 +81,14 @@ class Monitor extends BeanModel {
                         bean.status = 1;
                     } else {
 
-                        if (res.data.includes(this.keyword)) {
+                        let data = res.data;
+
+                        // Convert to string for object/array
+                        if (typeof data !== "string") {
+                            data = JSON.stringify(data)
+                        }
+
+                        if (data.includes(this.keyword)) {
                             bean.msg += ", keyword is found"
                             bean.status = 1;
                         } else {
diff --git a/src/pages/EditMonitor.vue b/src/pages/EditMonitor.vue
index 7054d73a..01af5061 100644
--- a/src/pages/EditMonitor.vue
+++ b/src/pages/EditMonitor.vue
@@ -30,7 +30,7 @@
                     <div class="mb-3" v-if="monitor.type === 'keyword' ">
                         <label for="keyword" class="form-label">Keyword</label>
                         <input type="text" class="form-control" id="keyword" v-model="monitor.keyword" required>
-                        <div class="form-text">Search keyword in plain html response and it is case-sensitive</div>
+                        <div class="form-text">Search keyword in plain html or JSON response and it is case-sensitive</div>
                     </div>
 
                     <div class="mb-3" v-if="monitor.type === 'port' || monitor.type === 'ping' ">