diff --git a/src/main/kotlin/com/aitrainer/api/controller/ExerciesController.kt b/src/main/kotlin/com/aitrainer/api/controller/ExerciesController.kt
index c0e8eed..36da824 100644
--- a/src/main/kotlin/com/aitrainer/api/controller/ExerciesController.kt
+++ b/src/main/kotlin/com/aitrainer/api/controller/ExerciesController.kt
@@ -22,8 +22,9 @@ class ExerciesController(private val exercisesRepository: ExercisesRepository) {
             exercisesRepository.getAllByCustomerId(customerId)
 
     @PostMapping("/exercises")
-    fun createNewExercise(@Valid @RequestBody exercises: Exercises): Exercises =
-            exercisesRepository.save(exercises)
+    fun createNewExercise(@Valid @RequestBody exercise: Exercises): Exercises {
+        return exercisesRepository.save(exercise)
+    }
 
     @PutMapping("/exercises/{id}")
     fun updateExerciseById(@PathVariable(value = "id") exerciseId: Long,
diff --git a/src/main/kotlin/com/aitrainer/api/controller/ExerciseTypeController.kt b/src/main/kotlin/com/aitrainer/api/controller/ExerciseTypeController.kt
index b6143b7..85319e1 100644
--- a/src/main/kotlin/com/aitrainer/api/controller/ExerciseTypeController.kt
+++ b/src/main/kotlin/com/aitrainer/api/controller/ExerciseTypeController.kt
@@ -16,7 +16,7 @@ class ExerciseTypeController ( private val exerciseTypeRepository: ExerciseTypeR
     @GetMapping("/exercise_type")
     fun getAllExerciseType(): List<ExerciseType> {
         val list: List<ExerciseType> = exerciseTypeRepository.findAll()
-        logger.info("Get All exercise types: $list")
+        logger.info(" -- Get All exercise types..")
         return list
     }
 
@@ -44,7 +44,7 @@ class ExerciseTypeController ( private val exerciseTypeRepository: ExerciseTypeR
         }.orElse(ResponseEntity.notFound().build())
     }*/              
 
-    @PutMapping("/exercise_type/{id}")
+    @PostMapping("/exercise_type/{id}")
     fun updateExerciseTypesById(@PathVariable(value = "id") exerciseTypeId: Long,
                           @Valid @RequestBody newExerciseType: ExerciseType): ResponseEntity<ExerciseType> {
         logger.info("Update exercise type by id: $exerciseTypeId with object $newExerciseType")
diff --git a/src/main/kotlin/com/aitrainer/api/model/Exercises.kt b/src/main/kotlin/com/aitrainer/api/model/Exercises.kt
index bb2736c..6770c95 100644
--- a/src/main/kotlin/com/aitrainer/api/model/Exercises.kt
+++ b/src/main/kotlin/com/aitrainer/api/model/Exercises.kt
@@ -1,7 +1,6 @@
 package com.aitrainer.api.model
 
 import org.springframework.lang.NonNull
-import java.sql.Date
 import javax.persistence.Entity
 import javax.persistence.GeneratedValue
 import javax.persistence.GenerationType
@@ -12,7 +11,7 @@ import javax.validation.constraints.Null
 data class Exercises (
         @get: NonNull var exerciseTypeId: Long = 0,
         @get: NonNull var customerId: Long = 0,
-        @get: NonNull var datetimeExercise: Date? = null,
+        @get: NonNull var datetimeExercise: String? = null,
         @get: NonNull var quantity: Int = 0,
         @get: Null var restTime: Int?, // in seconds
 
diff --git a/src/main/resources/simplelogger.properties b/src/main/resources/simplelogger.properties
deleted file mode 100644
index 05ff3de..0000000
--- a/src/main/resources/simplelogger.properties
+++ /dev/null
@@ -1,34 +0,0 @@
-# SLF4J's SimpleLogger configuration file
-# Simple implementation of Logger that sends all enabled log messages, for all defined loggers, to System.err.
-
-# Default logging detail level for all instances of SimpleLogger.
-# Must be one of ("trace", "debug", "info", "warn", or "error").
-# If not specified, defaults to "info".
-org.slf4j.simpleLogger.defaultLogLevel=debug
-
-# Logging detail level for a SimpleLogger instance named "xxxxx".
-# Must be one of ("trace", "debug", "info", "warn", or "error").
-# If not specified, the default logging detail level is used.
-#org.slf4j.simpleLogger.log.xxxxx=
-
-# Set to true if you want the current date and time to be included in output messages.
-# Default is false, and will output the number of milliseconds elapsed since startup.
-org.slf4j.simpleLogger.showDateTime=true
-
-# The date and time format to be used in the output messages.
-# The pattern describing the date and time format is the same that is used in java.text.SimpleDateFormat.
-# If the format is not specified or is invalid, the default format is used.
-# The default format is yyyy-MM-dd HH:mm:ss:SSS Z.
-#org.slf4j.simpleLogger.dateTimeFormat=yyyy-MM-dd HH:mm:ss:SSS Z
-
-# Set to true if you want to output the current thread name.
-# Defaults to true.
-#org.slf4j.simpleLogger.showThreadName=true
-
-# Set to true if you want the Logger instance name to be included in output messages.
-# Defaults to true.
-#org.slf4j.simpleLogger.showLogName=true
-
-# Set to true if you want the last component of the name to be included in output messages.
-# Defaults to false.
-org.slf4j.simpleLogger.showShortLogName=true
\ No newline at end of file
diff --git a/src/test/kotlin/com/aitrainer/api/test/ExerciseTest.kt b/src/test/kotlin/com/aitrainer/api/test/ExerciseTest.kt
index 497423f..3196656 100644
--- a/src/test/kotlin/com/aitrainer/api/test/ExerciseTest.kt
+++ b/src/test/kotlin/com/aitrainer/api/test/ExerciseTest.kt
@@ -6,6 +6,7 @@ import org.junit.jupiter.api.Test
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.context.SpringBootTest
 import kotlin.test.assertEquals
+import kotlin.test.assertTrue
 
 @SpringBootTest
 class ExerciseTest {
@@ -25,4 +26,18 @@ class ExerciseTest {
 
         assertEquals( exercises2.size, 0)
     }
+
+    @Test
+    fun testInsert() {
+        val exercise = Exercises(
+            exerciseTypeId = 3,
+            customerId = 11,
+            quantity = 100,
+            datetimeExercise = "2020-05-13 04:32:00",
+            restTime = null
+        )
+        val exerciseNew = exerciseRepository.save(exercise)
+        assertTrue(exerciseNew.exerciseId > 2)
+        exerciseRepository.delete(exercise)
+    }
 }
\ No newline at end of file