diff --git a/TrainCamp_zhangcheng_PLSR/app/src/plsr.c b/TrainCamp_zhangcheng_PLSR/app/src/plsr.c
index b29e131..a6748ad 100644
--- a/TrainCamp_zhangcheng_PLSR/app/src/plsr.c
+++ b/TrainCamp_zhangcheng_PLSR/app/src/plsr.c
@@ -33,6 +33,7 @@ static OS_STK PlsrModuleStack[PLSR_MODULE_STACK_SIZE];
 static void PlsrModuleTask(void * pArg);
 
 static void TimCallBack(void *pArg);
+static void Tim2CntCallBack(void *pArg);
 static void ReadRegisterParam(PLSR *plsr);
 static void configPulsePort(PLSR *plsr);
 static void ComputePartNum(PLSR *plsr, SEGMENT_PART *segmentPart);
@@ -88,6 +89,8 @@ RESUIL PLSRInit(void)
  * @retval          MODBUS_FALSE    失败
  */
 TIM_OBJ tim2;
+int32_t tim2OverCnt = 0;
+int32_t CumulativePulseCount = 0;
 TIM_OBJ tim10;
 int32_t accSpeedSlope = 0;
 int32_t decSpeedSlope = 0;
@@ -109,7 +112,7 @@ SEGMENT_PART currentSeg = {
     .currentPart = 1
     };
 PLSR plsr = {
-    .segmentAllNum = 3,
+    .segmentAllNum = 4,
     .defaultSpeed = 1000,
     .defaultAccSpeedTime = 5,
     .defaultDecSpeedTime = 10,
@@ -122,9 +125,9 @@ PLSR plsr = {
     .segment[2].pulseFreq = 6000,
     .segment[2].pulseNumber = 2000,
     .segment[2].jumpNumber = 0,
-//    .segment[3].pulseFreq = 9000,
-//    .segment[3].pulseNumber = 2000,
-//    .segment[3].jumpNumber = 0,
+    .segment[3].pulseFreq = 9000,
+    .segment[3].pulseNumber = 100000,
+    .segment[3].jumpNumber = 0,
     .startRunSegment = 0
 };
     
@@ -140,8 +143,10 @@ void PlsrModuleTask(void *pArg)
     res = GetTimObj("tim2", &tim2);
     res = GetTimObj("tim10", &tim10);
     
-    tim2.init(&tim2, 0, 65535);
+    tim2.init(&tim2, 0, 50000 - 1);
     tim2.open(&tim2);
+    tim2.registerIrq(&tim2, Tim2CntCallBack, NULL);
+    tim2.openIrq(&tim2);
     
     tim10.init(&tim10, 168 - 1, 65535);
     tim10.registerIrq(&tim10, TimCallBack, &currentSeg);
@@ -162,6 +167,8 @@ void PlsrModuleTask(void *pArg)
             continue;
         }
 
+        CumulativePulseCount = tim2OverCnt * (TIM2->ARR + 1) + TIM2->CNT;
+
         if (plsr.segment[currentSegment].pulseFreq <= 1000)
             pulseFreq = 2625 - 1;
         else if ((plsr.segment[currentSegment].pulseFreq > 1000)
@@ -224,26 +231,28 @@ void PlsrModuleTask(void *pArg)
 //定时器9 内部输入时钟源ITx主从模式定时器10
 //定时器12 内部输入时钟源ITx主从模式定时器13
 
-void TimCallBack(void *pArg)
+static void Tim2CntCallBack(void *pArg)
+{
+    tim2OverCnt++;
+}
+
+static void TimCallBack(void *pArg)
 {
     uint16_t reloadValue = 0;
     static int32_t pulseCount = 0;
     static int32_t allcount = 0;
-    pulseCount++;
-    allcount++;
+
     if (currentSeg.currentPart == 1)
     {
         switch (currentSeg.currentState)
         {
             case 2: ///< 加速
             {
-                if ((currentSpeed + currentSeg.inc) >= plsr.segment[currentSegment].pulseFreq
-                      || (pulseCount > currentSeg.firstPartNum - 1))
+                if ((currentSpeed + currentSeg.inc) >= plsr.segment[currentSegment].pulseFreq)
                 {
                     currentSpeed = plsr.segment[currentSegment].pulseFreq;
                     
                     currentSeg.currentPart = 2;
-                    pulseCount = 0;
                 }
                 else
                     currentSpeed += currentSeg.inc;
@@ -255,7 +264,13 @@ void TimCallBack(void *pArg)
                 
                 reloadValue = 168000000 / (TIM10->PSC + 1) / (currentSpeed);
                 tim10.setPer(&tim10, reloadValue - 1);
-                tim10.pwmSetPulse(&tim10, TIM10->ARR / 2 + 1);              
+                tim10.pwmSetPulse(&tim10, TIM10->ARR / 2 + 1);  
+                allcount++;
+                pulseCount++;
+                
+                if (pulseCount > currentSeg.firstPartNum - 1)
+                    pulseCount = 0;
+             
                 break;
             }
             default:
@@ -285,20 +300,23 @@ void TimCallBack(void *pArg)
             else
                 currentSegment = plsr.segment[currentSegment].jumpNumber;
         }
+        allcount++;
+        pulseCount++;
     }
     else if (currentSeg.currentPart == 3)
     {
         if (((currentSpeed - currentSeg.dec) <= 0)
-              || (pulseCount > currentSeg.thirdPartNum - 1))
+              || (pulseCount > currentSeg.thirdPartNum - 2))
         {
+            currentSpeed = 0;
             pulseCount = 0;
             currentSeg.currentPart = 1;
             
             tim10.setPer(&tim10, 100);
             tim10.pwmSetPulse(&tim10, 65535);
             tim10.closeIrq(&tim10);
-
-            tim10.registerIrq(&tim10, TimCallBack, &currentSeg.currentPart);
+            
+            allcount++;
             return;
         }
         currentSpeed -= currentSeg.dec;
@@ -311,6 +329,8 @@ void TimCallBack(void *pArg)
         reloadValue = 168000000 / (TIM10->PSC + 1) / (currentSpeed);
         tim10.setPer(&tim10, reloadValue - 1);
         tim10.pwmSetPulse(&tim10, TIM10->ARR / 2 + 1);
+        allcount++;
+        pulseCount++;
     }
 }
 
diff --git a/TrainCamp_zhangcheng_PLSR/bsp/src/time.c b/TrainCamp_zhangcheng_PLSR/bsp/src/time.c
index 4df429b..db1ad86 100644
--- a/TrainCamp_zhangcheng_PLSR/bsp/src/time.c
+++ b/TrainCamp_zhangcheng_PLSR/bsp/src/time.c
@@ -83,7 +83,7 @@ int8_t TimInit(TIM_OBJ *tim, uint16_t psc, uint32_t per)
         GPIO_PinAFConfig(GPIOA, GPIO_PinSource15, GPIO_AF_TIM2);
 
         TIM_SelectInputTrigger(tim->TIM, TIM_TS_ETRF);
-        TIM_ETRClockMode2Config(tim->TIM, TIM_ExtTRGPSC_OFF, TIM_ExtTRGPolarity_Inverted, 0);
+        TIM_ETRClockMode2Config(tim->TIM, TIM_ExtTRGPSC_OFF, TIM_ExtTRGPolarity_NonInverted, 0);
     }
         
     else if (tim->TIM == TIM10)
@@ -166,8 +166,10 @@ void TimDeInit(TIM_OBJ *tim)
 */
 void TimSetPsc(TIM_OBJ *tim, uint16_t psc)
 {
+    TIM_ITConfig(tim->TIM, TIM_IT_Update, DISABLE);
     TIM_PrescalerConfig(tim->TIM, psc, TIM_PSCReloadMode_Immediate);
     TIM_ClearITPendingBit(tim->TIM, TIM_IT_Update);
+    TIM_ITConfig(tim->TIM, TIM_IT_Update, ENABLE);
 }
 
 
@@ -361,7 +363,7 @@ void TIM2_IRQHandler(void)
 {
     if (TIM_GetITStatus(TIM2,TIM_IT_Update) == SET)
     {
-        if (ArgList[0] != NULL)
+        if (CallBackFuncList[0] != NULL)
             CallBackFuncList[0](ArgList[0]);
         TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
     }