diff --git a/src/main/java/com/loafle/overflow/module/noauthprobe/model/NoAuthProbe.java b/src/main/java/com/loafle/overflow/module/noauthprobe/model/NoAuthProbe.java
index bbb5a93..8bf2bde 100644
--- a/src/main/java/com/loafle/overflow/module/noauthprobe/model/NoAuthProbe.java
+++ b/src/main/java/com/loafle/overflow/module/noauthprobe/model/NoAuthProbe.java
@@ -66,7 +66,7 @@ public class NoAuthProbe {
         this.ipAddress = ipAddress;
     }
 
-    @Column(name = "STATUS", nullable = false)
+    @Column(name = "STATUS", nullable = false, length = 1)
     @Enumerated(EnumType.STRING)
     public AuthType getStatus() {
         return status;
@@ -76,7 +76,7 @@ public class NoAuthProbe {
         this.status = status;
     }
 
-    @Column(name = "TEMP_PROBE_KEY", nullable = false, length = 50)
+    @Column(name = "TEMP_PROBE_KEY", nullable = false, length = 50, unique = true)
     public String getTempProbeKey() {
         return tempProbeKey;
     }
diff --git a/src/main/java/com/loafle/overflow/module/noauthprobe/type/AuthType.java b/src/main/java/com/loafle/overflow/module/noauthprobe/type/AuthType.java
index ef17939..1d58a0f 100644
--- a/src/main/java/com/loafle/overflow/module/noauthprobe/type/AuthType.java
+++ b/src/main/java/com/loafle/overflow/module/noauthprobe/type/AuthType.java
@@ -4,9 +4,9 @@ package com.loafle.overflow.module.noauthprobe.type;
  * Created by root on 17. 5. 31.
  */
 public enum AuthType {
-    ACCEPT("A"),
-    DENY("D"),
-    PROCESS("P");
+    A("ACCEPT"),
+    D("DENY"),
+    P("PROCESS");
 
     private String stringValue;
     AuthType(String string) {stringValue = string;}
diff --git a/src/main/java/com/loafle/overflow/module/probe/model/Probe.java b/src/main/java/com/loafle/overflow/module/probe/model/Probe.java
index bdd4bc4..4539598 100644
--- a/src/main/java/com/loafle/overflow/module/probe/model/Probe.java
+++ b/src/main/java/com/loafle/overflow/module/probe/model/Probe.java
@@ -1,6 +1,7 @@
 package com.loafle.overflow.module.probe.model;
 
 import com.loafle.overflow.module.domain.Domain;
+import com.loafle.overflow.module.probe.type.ProbeStatusType;
 
 import javax.persistence.*;
 import java.sql.Timestamp;
@@ -13,7 +14,7 @@ import java.util.Date;
 @Table(name = "PROBE", schema = "public", catalog = "postgres")
 public class Probe {
     private long id;
-    private String status;
+    private ProbeStatusType status;
     private String description;
     private Date createDate;
     private Date lastPollingDate;
@@ -33,12 +34,13 @@ public class Probe {
     }
 
 
-    @Column(name = "STATUS", nullable = true)
-    public String getStatus() {
+    @Column(name = "STATUS", nullable = false, length = 1)
+    @Enumerated(EnumType.STRING)
+    public ProbeStatusType getStatus() {
         return status;
     }
 
-    public void setStatus(String status) {
+    public void setStatus(ProbeStatusType status) {
         this.status = status;
     }
 
@@ -53,7 +55,7 @@ public class Probe {
     }
 
     @Temporal(TemporalType.TIMESTAMP)
-    @Column(name = "CREATE_DATE", nullable = false, columnDefinition = "TIMESTAMP DEFAULT CURRENT_TIMESTAMP")
+    @Column(name = "CREATE_DATE", nullable = false, columnDefinition = "TIMESTAMP DEFAULT CURRENT_TIMESTAMP", insertable = false, updatable = false)
     public Date getCreateDate() {
         return createDate;
     }
@@ -93,7 +95,7 @@ public class Probe {
     }
 
 
-    @Column(name = "PROBE_KEY", nullable = false)
+    @Column(name = "PROBE_KEY", nullable = false, unique = true)
     public String getProbeKey() {
         return probeKey;
     }
@@ -103,7 +105,7 @@ public class Probe {
     }
 
 
-    @Column(name = "ENCRYPTION_KEY", nullable = false, length = 50)
+    @Column(name = "ENCRYPTION_KEY", nullable = false, length = 50, unique = true)
     public String getEncryptionKey() {
         return encryptionKey;
     }
diff --git a/src/main/java/com/loafle/overflow/module/probe/type/ProbeStatusType.java b/src/main/java/com/loafle/overflow/module/probe/type/ProbeStatusType.java
new file mode 100644
index 0000000..1e4c602
--- /dev/null
+++ b/src/main/java/com/loafle/overflow/module/probe/type/ProbeStatusType.java
@@ -0,0 +1,18 @@
+package com.loafle.overflow.module.probe.type;
+
+/**
+ * Created by root on 17. 6. 23.
+ */
+public enum ProbeStatusType {
+    I("INITIAL"),
+    N("NORMAL");
+
+
+    private String stringValue;
+    ProbeStatusType(String string) {stringValue = string;}
+
+    @Override
+    public String toString() {
+        return stringValue;
+    }
+}