diff --git a/src/ts/@overflow/meta/react/components/SensorItemTree.tsx b/src/ts/@overflow/meta/react/components/SensorItemTree.tsx
index a5e45c3..5298d2e 100644
--- a/src/ts/@overflow/meta/react/components/SensorItemTree.tsx
+++ b/src/ts/@overflow/meta/react/components/SensorItemTree.tsx
@@ -150,9 +150,9 @@ export class SensorItemTree extends React.Component<SensorItemTreeProps, SensorI
         <List selection>
           {this.ViewSensorItemType()}
         </List>
-        <Button primary floated='right' onClick={() => {
+        {/*<Button primary floated='right' onClick={() => {
           console.log(this.selectedItemMap);
-        }}>Test</Button><br /><br />
+        }}>Test</Button><br /><br />*/}
       </Container>
     );
   }
diff --git a/src/ts/@overflow/sensor/react/components/SensorConfigStepper.tsx b/src/ts/@overflow/sensor/react/components/SensorConfigStepper.tsx
index 97c281e..fc05b55 100644
--- a/src/ts/@overflow/sensor/react/components/SensorConfigStepper.tsx
+++ b/src/ts/@overflow/sensor/react/components/SensorConfigStepper.tsx
@@ -96,6 +96,13 @@ export class SensorConfigStepper extends React.Component<SensorConfigStepperProp
   }
   public handleNext(event: React.SyntheticEvent<HTMLAnchorElement>, data: object): void {
     let step: number = this.state.currentStep;
+
+    let errorStr: string = this.checkSensorData();
+    if (errorStr.length > 0) {
+      alert('Choose ' + errorStr);
+      return;
+    }
+
     if (step >= this.props.steps.length + 1) {
       step = this.props.steps.length + 1;
     } else {
@@ -111,6 +118,60 @@ export class SensorConfigStepper extends React.Component<SensorConfigStepperProp
     }
   }
 
+  public checkSensorData(): string {
+
+    let sd = this.props.getSensor();
+
+    switch (this.state.currentStep) {
+      case 1:
+        {
+          if (sd.infra === undefined || sd.infra === null) {
+            return 'Target';
+          }
+          if (sd.crawler === undefined || sd.crawler === null) {
+            return 'Crawler';
+          }
+        }
+        break;
+      case 2:
+        {
+          if (sd.sensorItemMap === undefined || sd.sensorItemMap === null || this.checkItemMapSize() === false) {
+            return 'Sensor Item';
+          }
+        }
+        break;
+      case 3:
+        {
+          if (sd.interval === undefined) {
+            return 'Interval';
+          }
+        }
+        break;
+      default:
+        break;
+    }
+
+    return '';
+  }
+
+  public checkItemMapSize(): boolean {
+
+
+    if (this.props.getSensor().sensorItemMap.size <= 0) {
+      return false;
+    }
+
+    let result: boolean = false;
+
+    this.props.getSensor().sensorItemMap.forEach((value: MetaSensorItem[], key: number) => {
+      if (value.length > 0) {
+        result = true;
+      }
+    });
+
+    return result;
+  }
+
   public registSensor(): void {
     let sensorData = this.props.getSensor();
     let sensor: Sensor = {};