diff --git a/utils/json/build.gradle b/utils/json/build.gradle
index 891d697..e69de29 100644
--- a/utils/json/build.gradle
+++ b/utils/json/build.gradle
@@ -1,3 +0,0 @@
-dependencies {
-    compile project(":")
-}
diff --git a/utils/json/src/main/kotlin/cn/tursom/utils/json/Json.kt b/utils/json/src/main/kotlin/cn/tursom/utils/json/Json.kt
index c6e7461..bde038c 100644
--- a/utils/json/src/main/kotlin/cn/tursom/utils/json/Json.kt
+++ b/utils/json/src/main/kotlin/cn/tursom/utils/json/Json.kt
@@ -12,11 +12,11 @@ object Json {
     val content = JsonParseContent(json)
     val parse = parse(content)
     jumpWhitespace(content)
-    if (content.index != json.length) throw JsonFormatException(json)
+    if (content.index != json.length) throw JsonFormatException("$json[${json[content.index]}] remain characters")
     return parse
   }
 
-  internal data class JsonParseContent(inline val json: String, inline var index: Int = 0)
+  internal data class JsonParseContent(val json: String, var index: Int = 0)
 
   private fun parse(content: JsonParseContent): Any? {
     jumpWhitespace(content)
@@ -31,14 +31,13 @@ object Json {
     }
   }
 
-  @Suppress("NOTHING_TO_INLINE")
-  private inline fun parseNull(content: JsonParseContent) = if (content.json.startsWith("null", content.index)) {
+  private fun parseNull(content: JsonParseContent) = if (content.json.startsWith("null", content.index)) {
     content.index += 4
     null
   } else throw JsonFormatException(content)
 
-  @Suppress("ControlFlowWithEmptyBody", "NOTHING_TO_INLINE")
-  private inline fun parseBoolean(content: JsonParseContent) = when {
+  @Suppress("ControlFlowWithEmptyBody")
+  private fun parseBoolean(content: JsonParseContent) = when {
     content.json.startsWith("true", content.index) -> {
       content.index += 4
       true
@@ -50,24 +49,20 @@ object Json {
     else -> throw JsonFormatException(content)
   }
 
-  @Suppress("NOTHING_TO_INLINE")
-  private inline fun jumpWhitespaceLoopCondition(json: String, index: Int) = index < json.length && json[index] in " \t\r\n"
+  private fun jumpWhitespaceLoopCondition(json: String, index: Int) = index < json.length && json[index] in " \t\r\n"
 
-  @Suppress("NOTHING_TO_INLINE")
-  private inline fun jumpWhitespace(content: JsonParseContent) {
+  private fun jumpWhitespace(content: JsonParseContent) {
     @Suppress("ControlFlowWithEmptyBody")
     if (jumpWhitespaceLoopCondition(content.json, content.index)) while (jumpWhitespaceLoopCondition(content.json, ++content.index));
   }
 
-  @Suppress("NOTHING_TO_INLINE")
-  private inline fun charToInt(char: Char): Int {
+  private fun charToInt(char: Char): Int {
     val indexOf = char - '0'
     if (indexOf < 0 || indexOf > 9) throw JsonFormatException("$char is not an number")
     return indexOf
   }
 
-  @Suppress("NOTHING_TO_INLINE")
-  private inline fun parseInt(content: JsonParseContent): Number {
+  private fun parseInt(content: JsonParseContent): Number {
     var number = charToInt(content.json[content.index]).toLong()
     while (++content.index < content.json.length && content.json[content.index] in '0'..'9') {
       number = number * 10 + charToInt(content.json[content.index])
@@ -75,8 +70,7 @@ object Json {
     return if (number <= Int.MAX_VALUE) number.toInt() else number
   }
 
-  @Suppress("NOTHING_TO_INLINE")
-  private inline fun parseNumber(content: JsonParseContent): Number {
+  private fun parseNumber(content: JsonParseContent): Number {
     val negative = content.json[content.index] == '-'
     if (negative || content.json[content.index] == '+') content.index++
     var number: Number = when (content.json[content.index]) {
@@ -112,8 +106,7 @@ object Json {
     } else number
   }
 
-  @Suppress("NOTHING_TO_INLINE")
-  private inline fun parseString(content: JsonParseContent): String {
+  private fun parseString(content: JsonParseContent): String {
     if (content.json[content.index++] != '"') throw JsonFormatException("string not begin with '\"'")
     val builder = StringBuilder()
     while (content.index < content.json.length) when (content.json[content.index]) {
@@ -146,8 +139,7 @@ object Json {
     throw JsonFormatException(content)
   }
 
-  @Suppress("NOTHING_TO_INLINE")
-  private inline fun parseObj(content: JsonParseContent): Map<String, Any?> {
+  private fun parseObj(content: JsonParseContent): Map<String, Any?> {
     if (content.json[content.index++] != '{') throw JsonFormatException(content)
     jumpWhitespace(content)
     if (content.json[content.index] == '}') {
@@ -171,8 +163,7 @@ object Json {
     return map
   }
 
-  @Suppress("NOTHING_TO_INLINE")
-  private inline fun parseArray(content: JsonParseContent): List<Any?> {
+  private fun parseArray(content: JsonParseContent): List<Any?> {
     if (content.json[content.index++] != '[') throw JsonFormatException(content)
     jumpWhitespace(content)
     if (content.json[content.index] == ']') {