diff --git a/src/main/java/com/loafle/overflow/commons/exception/OverflowException.java b/src/main/java/com/loafle/overflow/commons/exception/OverflowException.java
index bb3cdf4..24eabdd 100644
--- a/src/main/java/com/loafle/overflow/commons/exception/OverflowException.java
+++ b/src/main/java/com/loafle/overflow/commons/exception/OverflowException.java
@@ -1,10 +1,21 @@
 package com.loafle.overflow.commons.exception;
 
 import io.grpc.Status;
-import io.grpc.StatusException;
 
-public class OverflowException extends StatusException {
-    public OverflowException(Status status) {
-        super(status);
+public class OverflowException extends Exception {
+    protected Status.Code code;
+
+    public OverflowException(Status.Code code) {
+        super();
+        this.code = code;
+    }
+
+    public OverflowException(Status.Code code, String message) {
+        super(message);
+        this.code = code;
+    }
+
+    public Status.Code getCode() {
+        return code;
     }
 }
diff --git a/src/main/java/com/loafle/overflow/commons/exception/OverflowRuntimeException.java b/src/main/java/com/loafle/overflow/commons/exception/OverflowRuntimeException.java
index 5f72a99..b632e72 100644
--- a/src/main/java/com/loafle/overflow/commons/exception/OverflowRuntimeException.java
+++ b/src/main/java/com/loafle/overflow/commons/exception/OverflowRuntimeException.java
@@ -1,10 +1,11 @@
 package com.loafle.overflow.commons.exception;
 
-import io.grpc.Status;
-import io.grpc.StatusRuntimeException;
+public class OverflowRuntimeException extends RuntimeException {
+    public OverflowRuntimeException() {
+        super();
+    }
 
-public class OverflowRuntimeException extends StatusRuntimeException {
-    public OverflowRuntimeException(Class<? extends OverflowRuntimeException> clazz) {
-        super(Status.fromCode(Status.Code.UNKNOWN).withDescription(clazz.getSimpleName()));
+    public OverflowRuntimeException(String message) {
+        super(message);
     }
 }
diff --git a/src/main/java/com/loafle/overflow/module/member/exception/EmailNotConfirmedException.java b/src/main/java/com/loafle/overflow/module/member/exception/EmailNotConfirmedException.java
index 3aeef7b..26dd063 100644
--- a/src/main/java/com/loafle/overflow/module/member/exception/EmailNotConfirmedException.java
+++ b/src/main/java/com/loafle/overflow/module/member/exception/EmailNotConfirmedException.java
@@ -4,6 +4,10 @@ import com.loafle.overflow.commons.exception.OverflowRuntimeException;
 
 public class EmailNotConfirmedException extends OverflowRuntimeException {
     public EmailNotConfirmedException() {
-        super(EmailNotConfirmedException.class);
+        super();
+    }
+
+    public EmailNotConfirmedException(String message) {
+        super(message);
     }
 }
\ No newline at end of file
diff --git a/src/main/java/com/loafle/overflow/module/member/exception/SignInIdNotExistException.java b/src/main/java/com/loafle/overflow/module/member/exception/SignInIdNotExistException.java
index 74c0022..654c422 100644
--- a/src/main/java/com/loafle/overflow/module/member/exception/SignInIdNotExistException.java
+++ b/src/main/java/com/loafle/overflow/module/member/exception/SignInIdNotExistException.java
@@ -4,6 +4,10 @@ import com.loafle.overflow.commons.exception.OverflowRuntimeException;
 
 public class SignInIdNotExistException extends OverflowRuntimeException {
     public SignInIdNotExistException() {
-        super(SignInIdNotExistException.class);
+        super();
+    }
+
+    public SignInIdNotExistException(String message) {
+        super(message);
     }
 }
diff --git a/src/main/java/com/loafle/overflow/module/member/exception/SignInPwNotMatchException.java b/src/main/java/com/loafle/overflow/module/member/exception/SignInPwNotMatchException.java
index 2b1d2e3..d3adbff 100644
--- a/src/main/java/com/loafle/overflow/module/member/exception/SignInPwNotMatchException.java
+++ b/src/main/java/com/loafle/overflow/module/member/exception/SignInPwNotMatchException.java
@@ -4,6 +4,10 @@ import com.loafle.overflow.commons.exception.OverflowRuntimeException;
 
 public class SignInPwNotMatchException extends OverflowRuntimeException {
     public SignInPwNotMatchException() {
-        super(SignInPwNotMatchException.class);
+        super();
+    }
+
+    public SignInPwNotMatchException(String message) {
+        super(message);
     }
 }
diff --git a/src/main/java/com/loafle/overflow/proxy/ServiceInvoker.java b/src/main/java/com/loafle/overflow/proxy/ServiceInvoker.java
index 40012b5..4cd5ad8 100644
--- a/src/main/java/com/loafle/overflow/proxy/ServiceInvoker.java
+++ b/src/main/java/com/loafle/overflow/proxy/ServiceInvoker.java
@@ -8,9 +8,9 @@ import com.loafle.overflow.proxy.exception.InvalidParameterException;
 import com.loafle.overflow.proxy.exception.InvalidRequestException;
 import com.loafle.overflow.proxy.exception.NoSuchMethodException;
 import com.loafle.overflow.proxy.exception.NoSuchServiceException;
-import org.codehaus.jackson.JsonGenerationException;
+import io.grpc.Status;
+import io.grpc.StatusRuntimeException;
 import org.codehaus.jackson.map.DeserializationConfig;
-import org.codehaus.jackson.map.JsonMappingException;
 import org.codehaus.jackson.map.ObjectMapper;
 import org.codehaus.jackson.type.JavaType;
 import org.springframework.aop.support.AopUtils;
@@ -199,4 +199,5 @@ public class ServiceInvoker {
 
         return jsonInString;
     }
+
 }
diff --git a/src/main/java/com/loafle/overflow/proxy/ServiceProxy.java b/src/main/java/com/loafle/overflow/proxy/ServiceProxy.java
index d6c140e..a56594d 100644
--- a/src/main/java/com/loafle/overflow/proxy/ServiceProxy.java
+++ b/src/main/java/com/loafle/overflow/proxy/ServiceProxy.java
@@ -3,8 +3,12 @@ package com.loafle.overflow.proxy;
 import com.loafle.overflow.api.OverflowApiServerGrpc;
 import com.loafle.overflow.api.ServerInput;
 import com.loafle.overflow.api.ServerOutput;
+import com.loafle.overflow.commons.exception.OverflowException;
+import com.loafle.overflow.commons.exception.OverflowRuntimeException;
 import io.grpc.ServerBuilder;
+import io.grpc.Status;
 import io.grpc.StatusException;
+import io.grpc.StatusRuntimeException;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 
@@ -73,15 +77,28 @@ public class ServiceProxy {
                         .build();
                 responseObserver.onNext(reply);
                 responseObserver.onCompleted();
-            } catch (StatusException e) {
+            } catch (OverflowException e) {
                 logger.warning(e.toString());
-                responseObserver.onError(e);
-            } catch (Throwable e) {
-                responseObserver.onError(e);
+                responseObserver.onError(convertException(e));
+            } catch (OverflowRuntimeException e) {
+                logger.warning(e.toString());
+                responseObserver.onError(convertException(e));
             }
 
         }
 
+        protected StatusRuntimeException convertException(OverflowRuntimeException e) {
+            String message = String.format("%s|%s", e.getClass().getSimpleName(), e.getMessage());
+            Status status = Status.fromCode(Status.Code.INTERNAL).withDescription(message);
+            return new StatusRuntimeException(status);
+        }
+
+        protected StatusException convertException(OverflowException e) {
+            String message = String.format("%s|%s", e.getClass().getSimpleName(), e.getMessage());
+            Status status = Status.fromCode(e.getCode()).withDescription(message);
+            return new StatusException(status);
+        }
+
     }
 
 }
diff --git a/src/main/java/com/loafle/overflow/proxy/exception/InvalidParameterException.java b/src/main/java/com/loafle/overflow/proxy/exception/InvalidParameterException.java
index c5e6ae2..f235d31 100644
--- a/src/main/java/com/loafle/overflow/proxy/exception/InvalidParameterException.java
+++ b/src/main/java/com/loafle/overflow/proxy/exception/InvalidParameterException.java
@@ -4,7 +4,12 @@ import com.loafle.overflow.commons.exception.OverflowException;
 import io.grpc.Status;
 
 public class InvalidParameterException extends OverflowException {
+    private static final Status.Code code = Status.Code.INVALID_ARGUMENT;
     public InvalidParameterException() {
-        super(Status.fromCode(Status.Code.INVALID_ARGUMENT).withDescription(InvalidParameterException.class.getSimpleName()));
+        super(code);
+    }
+
+    public InvalidParameterException(String message) {
+        super(code, message);
     }
 }
diff --git a/src/main/java/com/loafle/overflow/proxy/exception/InvalidRequestException.java b/src/main/java/com/loafle/overflow/proxy/exception/InvalidRequestException.java
index 7d89fca..840bec3 100644
--- a/src/main/java/com/loafle/overflow/proxy/exception/InvalidRequestException.java
+++ b/src/main/java/com/loafle/overflow/proxy/exception/InvalidRequestException.java
@@ -4,7 +4,12 @@ import com.loafle.overflow.commons.exception.OverflowException;
 import io.grpc.Status;
 
 public class InvalidRequestException extends OverflowException {
+    private static final Status.Code code = Status.Code.UNKNOWN;
     public InvalidRequestException() {
-        super(Status.fromCode(Status.Code.INTERNAL).withDescription(InvalidRequestException.class.getSimpleName()));
+        super(code);
+    }
+
+    public InvalidRequestException(String message) {
+        super(code, message);
     }
 }
diff --git a/src/main/java/com/loafle/overflow/proxy/exception/NoSuchMethodException.java b/src/main/java/com/loafle/overflow/proxy/exception/NoSuchMethodException.java
index 003c74a..c05a12d 100644
--- a/src/main/java/com/loafle/overflow/proxy/exception/NoSuchMethodException.java
+++ b/src/main/java/com/loafle/overflow/proxy/exception/NoSuchMethodException.java
@@ -4,7 +4,12 @@ import com.loafle.overflow.commons.exception.OverflowException;
 import io.grpc.Status;
 
 public class NoSuchMethodException extends OverflowException {
+    private static final Status.Code code = Status.Code.UNIMPLEMENTED;
     public NoSuchMethodException() {
-        super(Status.fromCode(Status.Code.UNIMPLEMENTED).withDescription(NoSuchMethodException.class.getSimpleName()));
+        super(code);
+    }
+
+    public NoSuchMethodException(String message) {
+        super(code, message);
     }
 }
diff --git a/src/main/java/com/loafle/overflow/proxy/exception/NoSuchServiceException.java b/src/main/java/com/loafle/overflow/proxy/exception/NoSuchServiceException.java
index f84cd73..473ad47 100644
--- a/src/main/java/com/loafle/overflow/proxy/exception/NoSuchServiceException.java
+++ b/src/main/java/com/loafle/overflow/proxy/exception/NoSuchServiceException.java
@@ -4,7 +4,12 @@ import com.loafle.overflow.commons.exception.OverflowException;
 import io.grpc.Status;
 
 public class NoSuchServiceException extends OverflowException {
+    private static final Status.Code code = Status.Code.UNIMPLEMENTED;
     public NoSuchServiceException() {
-        super(Status.fromCode(Status.Code.UNAVAILABLE).withDescription(NoSuchServiceException.class.getSimpleName()));
+        super(code);
+    }
+
+    public NoSuchServiceException(String message) {
+        super(code, message);
     }
 }