diff --git a/Kernel/Interrupt.cpp b/Kernel/Interrupt.cpp
index 571a85a4..49238828 100644
--- a/Kernel/Interrupt.cpp
+++ b/Kernel/Interrupt.cpp
@@ -2,25 +2,16 @@
 
 #include "Interrupt.h"
 
-TInterrupt Interrupt;
+extern InterruptCallback Vectors[];      // 对外的中断向量表
+extern void* Params[];       // 每一个中断向量对应的参数
 
-//#define IS_IRQ(irq) (irq >= -16 && irq <= VectorySize - 16)
+TInterrupt Interrupt;
 
 void TInterrupt::Init() const
 {
     OnInit();
 }
 
-/*TInterrupt::~TInterrupt()
-{
-	// 恢复中断向量表
-#if defined(STM32F1) || defined(STM32F4)
-	NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0);
-#else
-    SYSCFG_MemoryRemapConfig(SYSCFG_MemoryRemap_Flash);
-#endif
-}*/
-
 bool TInterrupt::Activate(short irq, InterruptCallback isr, void* param)
 {
     short irq2 = irq + 16; // exception = irq + 16
@@ -42,10 +33,8 @@ bool TInterrupt::Deactivate(short irq)
 // 关键性代码，放到开头
 INROOT void TInterrupt::Process(uint num) const
 {
-	auto& inter	= Interrupt;
-	//assert_param(num < VectorySize);
-	//assert_param(Interrupt.Vectors[num]);
-	if(!inter.Vectors[num]) return;
+	//auto& inter	= Interrupt;
+	if(!Vectors[num]) return;
 
 	// 内存检查
 #if DEBUG
@@ -53,8 +42,8 @@ INROOT void TInterrupt::Process(uint num) const
 #endif
 
     // 找到应用层中断委托并调用
-    auto isr	= (InterruptCallback)inter.Vectors[num];
-    void* param	= (void*)inter.Params[num];
+    auto isr	= (InterruptCallback)Vectors[num];
+    void* param	= (void*)Params[num];
     isr(num - 16, param);
 }
 
diff --git a/Kernel/Interrupt.h b/Kernel/Interrupt.h
index 0b88788f..31af6b1e 100644
--- a/Kernel/Interrupt.h
+++ b/Kernel/Interrupt.h
@@ -4,28 +4,12 @@
 // 中断委托（中断号，参数）
 typedef void (*InterruptCallback)(ushort num, void* param);
 
-#ifdef STM32F1
-    #define VectorySize 84
-#elif defined(STM32F0)
-    #define VectorySize 48
-#elif defined(GD32F150)
-    #define VectorySize 64
-#elif defined(STM32F4)
-    #define VectorySize (86 + 16 + 1)
-#else
-    #define VectorySize 32
-#endif
-
 //VectorySize 64 未考证
 // 中断管理类
 class TInterrupt
 {
 public:
-    InterruptCallback Vectors[VectorySize];      // 对外的中断向量表
-    void* Params[VectorySize];       // 每一个中断向量对应的参数
-
     void Init() const;    // 初始化中断向量表
-    //~TInterrupt();
 
 	void Process(uint num) const;
 
diff --git a/Platform/CortexM/Interrupt.cpp b/Platform/CortexM/Interrupt.cpp
index 4df4b4bf..a8acf20e 100644
--- a/Platform/CortexM/Interrupt.cpp
+++ b/Platform/CortexM/Interrupt.cpp
@@ -7,6 +7,21 @@
 
 #define IS_IRQ(irq) (irq >= -16 && irq <= VectorySize - 16)
 
+#ifdef STM32F1
+    #define VectorySize 84
+#elif defined(STM32F0)
+    #define VectorySize 48
+#elif defined(GD32F150)
+    #define VectorySize 64
+#elif defined(STM32F4)
+    #define VectorySize (86 + 16 + 1)
+#else
+    #define VectorySize 32
+#endif
+
+InterruptCallback Vectors[VectorySize];      // 对外的中断向量表
+void* Params[VectorySize];       // 每一个中断向量对应的参数
+
 bool TInterrupt::OnActivate(short irq)
 {
 	assert_param(IS_IRQ(irq));
diff --git a/TinyIP/Arp.cpp b/TinyIP/Arp.cpp
index 875e3065..46d92bb6 100644
--- a/TinyIP/Arp.cpp
+++ b/TinyIP/Arp.cpp
@@ -20,13 +20,7 @@ ArpSocket::ArpSocket(TinyIP* tip) : TinySocket(tip, IP_NONE)
 {
 	//Type = IP_NONE;
 
-#ifdef STM32F0
-	Count = 4;
-#elif defined(STM32F1)
-	Count = 16;
-#elif defined(STM32F4)
-	Count = 64;
-#endif
+	Count = 8;
 	_Arps = nullptr;
 
 	Enable = true;