diff --git a/APP/application/Src/start.c b/APP/application/Src/start.c
index 2d73a71..ec22c9b 100644
--- a/APP/application/Src/start.c
+++ b/APP/application/Src/start.c
@@ -59,7 +59,7 @@ void start(void)
 
     startInfo();
 
-    HAL_Delay(5000);
+//    HAL_Delay(5000);
     
     TimeSliceOffset_Start();
 }
diff --git a/APP/businessLogic/Inc/abnormalManage.h b/APP/businessLogic/Inc/abnormalManage.h
index d9af49a..a8593e6 100644
--- a/APP/businessLogic/Inc/abnormalManage.h
+++ b/APP/businessLogic/Inc/abnormalManage.h
@@ -20,6 +20,8 @@ uint8_t getExcessiveLoad(void);
 void setExcessiveLoadFlag(BOOL state);
 BOOL getExcessiveLoadFlag(void);
 
+void setSoftShortCircuit(uint16_t disChargCurrAdcNum);
+
 void setPowerOutput(BOOL state);
 
 void checkAbnormal(void);
diff --git a/APP/businessLogic/Inc/inFlash.h b/APP/businessLogic/Inc/inFlash.h
index 3ef8401..87eacd0 100644
--- a/APP/businessLogic/Inc/inFlash.h
+++ b/APP/businessLogic/Inc/inFlash.h
@@ -111,4 +111,12 @@ void readtotalChargCapacity(float *totalChargCapacity);
 void saveTime(timeInfo *time);
 void readTime(timeInfo *time);
 
+
+#define eventsOrderRecordStartAddr 200
+void setEventsOrderRecord(eventsOrderRecordMode mode);
+void printfEventsOrderRecord(void);
+
+
+
+
 #endif
diff --git a/APP/businessLogic/Src/abnormalManage.c b/APP/businessLogic/Src/abnormalManage.c
index 2b97327..57e3bb5 100644
--- a/APP/businessLogic/Src/abnormalManage.c
+++ b/APP/businessLogic/Src/abnormalManage.c
@@ -5,8 +5,10 @@
 #include "checkTime.h"
 #include "FM_GPIO.h"
 #include "task.h"
+#include "configParameter.h"
+#include "capture.h"
 
-
+static int checkMode = 0;
 
 /* 软件输出过载标志位 */
 static BOOL disChargOverLoad = FALSE;
@@ -18,7 +20,7 @@ static BOOL shortCircuitFlag = FALSE;
 /* 硬件过载状态位 */
 static uint8_t excessiveLoad = 0;
 static BOOL excessiveLoadFlag = FALSE;
-
+static BOOL excessiveLoadInterruptFlag = FALSE;
 
 /**
   * @brief  设定放电过载状态
@@ -28,9 +30,9 @@ static BOOL excessiveLoadFlag = FALSE;
   */
 void setDisChargOverLoad(void)
 {
-    /* 三段式保护中的两段 */
+    /* 三段式保护中的第三段 */
     static int num1 = 0;
-    if (getDischargCurrent() > 30.0f) {
+    if (getDischargCurrent() > thirdStageProtectionCurr) {
         // disChargOverLoad = TRUE;
         num1++;
     } else {
@@ -38,22 +40,24 @@ void setDisChargOverLoad(void)
         num1 = 0;
     }
 
-    /* 过载时间过长关闭输出(120S) */
-    if (num1 >= 1200000) {
+    /* 过载时间过长关闭输出 */
+    if (num1 >= thirdStageProtectionDelay) {
         num1 = 0;
         disChargOverLoad = TRUE;
         setPowerOutput(FALSE);
     }
 
+
+    /* 三段式保护中的第二段 */
     static int num2 = 0;
-    if (getDischargCurrent() > 35.0f) {
+    if (getDischargCurrent() > secondStageProtectionCurr) {
         num2++;
     } else {
         num2 = 0;
     }
     
-    /* 过载时间过长关闭输出(5S) */
-    if (num1 >= 50000) {
+    /* 过载时间过长关闭输出 */
+    if (num1 >= secondStageProtectionDelay) {
         num1 = 0;
         disChargOverLoad = TRUE;
         setPowerOutput(FALSE);
@@ -66,17 +70,26 @@ void setDisChargOverLoad(void)
   * @retval
   *
   */
-void setSoftShortCircuit(void)
+void setSoftShortCircuit(uint16_t disChargCurrAdcNum)
 {
+    // /* 三段式保护中的第一段 */
+    // static int num = 0;
+    // if (getDischargCurrent() > firstStageProtectionCurr) {
+    //     num++;
+    // } else {
+    //     num = 0;
+    // }
+
+    /* 三段式保护中的第一段 */
     static int num = 0;
-    if (getDischargCurrent() > 50.0f) {
+    if (disChargCurrAdcNum > firstStageProtectionCurr) {
         num++;
     } else {
         num = 0;
     }
 
     /* 200uS内都短路则关闭输出 */
-    if (num >= 2) {
+    if (num >= firstStageProtectionDelay) {
         shortCircuitFlag = TRUE;
         shortCircuit++;
         setPowerOutput(FALSE);
@@ -223,7 +236,7 @@ BOOL getExcessiveLoadFlag(void)
         if (get_OUT_VOLT_IN() < (get_PV_VOLT_OUT() - 0.1f)) {
             POW_FF_PCON_Open();
             POW_OUT_PCON_Open();
-        }        
+        }
     } else {
         POW_FF_PCON_Close();
         POW_OUT_PCON_Close();
@@ -269,6 +282,50 @@ void checkFFMOS_CON(void)
 
 // }
 
+/**
+  * @brief  输入功率过低保护
+  * @param
+  * @retval
+  *
+  */
+void setOverLoad(void)
+{
+    setPowerOutput(FALSE);
+    setExcessiveLoad();
+    /* 第一次进入输出过载，启动过载保护任务 */ 
+    if (getExcessiveLoad() == 1) {
+        setExcessiveLoadFlag(TRUE);
+        startExcessiveLoadProtection();
+    }
+
+    /* 多次进入输出过载，关闭输出 */ 
+    if (getExcessiveLoad() > 2) {
+        zeroExcessiveLoad();
+    }
+}
+
+/**
+  * @brief  判断是否输入功率过低
+  * @param
+  * @retval
+  *
+  */
+void lowInputLoadDetection(void)
+{
+    static int num = 0;    
+
+    if (excessiveLoadInterruptFlag == TRUE && getOutputVoltage() < lowInputLoadDetectionVolt) {
+        num++;
+    } else {
+        num = 0;
+        excessiveLoadInterruptFlag = FALSE;
+    }
+    
+    if (excessiveLoadInterruptFlag == TRUE && num == lowInputLoadDetectionDelay) {
+        setOverLoad();
+    }
+}
+
 
 void checkAbnormal(void)
 {
@@ -285,8 +342,8 @@ void checkAbnormal(void)
     /* 判断 */
     checkFFMOS_CON();
     setDisChargOverLoad();   
-    setSoftShortCircuit();
-
+    // setSoftShortCircuit();
+    lowInputLoadDetection();
 
 
     
@@ -302,18 +359,19 @@ void checkAbnormal(void)
   */
 void WORK_VOLT_Interrupt(void)
 {
-    setPowerOutput(FALSE);
-    setExcessiveLoad();
-    /* 第一次进入输出过载，启动过载保护任务 */ 
-    if (getExcessiveLoad() == 1) {
-        setExcessiveLoadFlag(TRUE);
-        startExcessiveLoadProtection();
-    }
+    //  setPowerOutput(FALSE);
+    //  setExcessiveLoad();
+    //  /* 第一次进入输出过载，启动过载保护任务 */ 
+    //  if (getExcessiveLoad() == 1) {
+    //      setExcessiveLoadFlag(TRUE);
+    //      startExcessiveLoadProtection();
+    //  }
 
-    /* 多次进入输出过载，关闭输出 */ 
-    if (getExcessiveLoad() > 2) {
-        zeroExcessiveLoad();
-    }
+    //  /* 多次进入输出过载，关闭输出 */ 
+    //  if (getExcessiveLoad() > 2) {
+    //      zeroExcessiveLoad();
+    //  }
+    excessiveLoadInterruptFlag = TRUE;
 }
 
 /**
diff --git a/APP/businessLogic/Src/bl_chargControl.c b/APP/businessLogic/Src/bl_chargControl.c
index 0d687d1..7ac4995 100644
--- a/APP/businessLogic/Src/bl_chargControl.c
+++ b/APP/businessLogic/Src/bl_chargControl.c
@@ -38,7 +38,7 @@ void mppt_constantVoltage(float InVoltage)
     static float ki = 0.00001;
     // static float solarInCircuitVoltage;
     static float error;
-    static float stepPwm;  
+    static float stepPwm;
 
     // solarInCircuitVoltage = getSolarInCircuitVoltage();
 //    error = InVoltage - getSolarInCircuitVoltage();    
@@ -557,6 +557,10 @@ void chargControlMode(void)
         endChargWork();
     }
 
+    else if (getBatteryState() == FALSE) {
+        setMPPT_Mode(noBattery);
+    }
+
     else if (floatChargConditions()) {
         setMPPT_Mode(floatCharg);
     }
@@ -567,7 +571,7 @@ void chargControlMode(void)
 
     else if (mpptChargConditions()) {
         setMPPT_Mode(MPPT);
-    }
+    }    
 }
 
 /**
diff --git a/APP/businessLogic/Src/inFlash.c b/APP/businessLogic/Src/inFlash.c
index 501d159..9a92608 100644
--- a/APP/businessLogic/Src/inFlash.c
+++ b/APP/businessLogic/Src/inFlash.c
@@ -289,4 +289,57 @@ void saveTime(timeInfo *time)
 void readTime(timeInfo *time)
 {
     read_Flash((uint8_t *)time, time_SAVE_addr, sizeof(timeInfo));
-}
\ No newline at end of file
+}
+
+
+/**
+ * @brief  将事件顺序记录在flash中
+ * @param
+ */
+void setEventsOrderRecord(eventsOrderRecordMode mode)
+{
+    static uint32_t len = sizeof(int);
+    float temp;
+    write_Flash((uint8_t *)&mode, eventsOrderRecordStartAddr + len, sizeof(mode));
+    len += sizeof(mode);
+    temp = getDischargCurrent();
+    write_Flash((uint8_t *)&temp, eventsOrderRecordStartAddr + len, sizeof(float));
+    len += sizeof(float);
+    temp = getOutputVoltage(); 
+    write_Flash((uint8_t *)&temp, eventsOrderRecordStartAddr + len, sizeof(float));
+
+    int count = 0;
+    read_Flash((uint8_t *)&count, eventsOrderRecordStartAddr, sizeof(count));
+    count++;
+    write_Flash((uint8_t *)&count, eventsOrderRecordStartAddr, sizeof(count));
+}
+
+/**
+ * @brief  将事件从flash中依次读取出来
+ * @param
+ */
+
+void printfEventsOrderRecord(void)
+{
+    int count = 0;
+    read_Flash((uint8_t *)&count, eventsOrderRecordStartAddr, sizeof(count));
+    
+    float temp;
+    eventsOrderRecordMode mode;
+
+    for (int i = 0; i < count; i++) {
+        read_Flash((uint8_t *)&temp, eventsOrderRecordStartAddr + sizeof(int)
+                    + i * (sizeof(float) + sizeof(float)), sizeof(mode));
+        log_info("eventsOrderRecordMode:%d\n", mode);
+
+        read_Flash((uint8_t *)&temp, eventsOrderRecordStartAddr + sizeof(int)
+                    + i * (sizeof(float) + sizeof(float)) + sizeof(mode), sizeof(float));
+        log_info("dischargCurrent:%f\n", temp);
+
+        read_Flash((uint8_t *)&temp, eventsOrderRecordStartAddr + sizeof(int)
+                    + i * (sizeof(float) + sizeof(float)) + sizeof(mode) + sizeof(float), sizeof(float));        
+        log_info("OutputVoltage:%f\n", temp);
+    }
+}
+
+
diff --git a/APP/businessLogic/Src/parameter.c b/APP/businessLogic/Src/parameter.c
index 13f03ee..20cda5a 100644
--- a/APP/businessLogic/Src/parameter.c
+++ b/APP/businessLogic/Src/parameter.c
@@ -3,6 +3,7 @@
 #include "FM_TIM.h"
 #include "FM_GPIO.h"
 #include "capture.h"
+#include "bl_chargControl.h"
 
 config_parameter g_cfgParameter = {0};
 static otherParameter g_otherParameter = {0};
diff --git a/APP/businessLogic/Src/task.c b/APP/businessLogic/Src/task.c
index 7c55abf..87fb90e 100644
--- a/APP/businessLogic/Src/task.c
+++ b/APP/businessLogic/Src/task.c
@@ -10,6 +10,7 @@
 #include "uart_dev.h"
 #include "abnormalManage.h"
 #include "interruptSend.h"
+#include "configParameter.h"
 
 #include <stdio.h>
 
@@ -273,7 +274,7 @@ void Task_refreshJudgeData(void)
 
     /* 有电池，太阳能输出功率大，电池电压低于14V，同时回路阻抗未测试或需要重新测试 */
     if ((getCheckImpedanceState() == FALSE || g_cfgParameter.loopImpedance == 0.0f)
-            && (getBatteryState() == TRUE) && (getChargCurrent() > 3.0f)
+            && (getBatteryState() == TRUE) && (getChargCurrent() > checkLoopImpedanceChargCurr)
             && (getOutputVoltage() > 9) && (getSolarInCircuitVoltage() > 14)
             && (getBatteryVoltage() < 14)) {
         TimeSliceOffset_Register(&m_impedanceCalculation, Task_impedanceCalculation
@@ -477,7 +478,7 @@ void Task_collectOpenCircuitVoltage(void)
         if (getBatteryState()) {
             collectOpenCircuitVoltageYesFlag = TRUE;
             stopChargWork();
-            /* 设置延时为1000-500ms */
+            /* 设置延时为（1000-500）ms */
             m_collectOpenCircuitVoltage.count = 500;
         }
         collectOpenCircuitVoltageYesNUM = 0;
@@ -485,9 +486,12 @@ void Task_collectOpenCircuitVoltage(void)
 
     /* 检测开路电压 */
     if (collectOpenCircuitVoltageYesNUM == g_cfgParameter.collectOpenCircuitVoltageTime + 1) {
-        setSolarOpenCircuitVoltage();
-        beginChargWork();
-        collectOpenCircuitVoltageYesFlag = FALSE;
+        /* 有电池才进行开路电压检测 */
+        if (getBatteryState()) {
+            setSolarOpenCircuitVoltage();
+            beginChargWork();
+            collectOpenCircuitVoltageYesFlag = FALSE;
+        }
     }
 }
 
diff --git a/APP/functionalModule/Inc/capture.h b/APP/functionalModule/Inc/capture.h
index e86e824..c965103 100644
--- a/APP/functionalModule/Inc/capture.h
+++ b/APP/functionalModule/Inc/capture.h
@@ -34,4 +34,6 @@ float get_OUT_VOLT_IN(void);
 
 void adcCaptureFir();
 
+extern void setSoftShortCircuit(uint16_t disChargCurrAdcNum);
+
 #endif
\ No newline at end of file
diff --git a/APP/functionalModule/Src/capture.c b/APP/functionalModule/Src/capture.c
index 95309c2..4cf3010 100644
--- a/APP/functionalModule/Src/capture.c
+++ b/APP/functionalModule/Src/capture.c
@@ -475,6 +475,8 @@ void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef *hdma)
         DSG_CURR_capture.IODataF[3]     = (float32_t)DSG_CURR_capture.totalInData / indata16_size;
         PV_VOLT_IN_capture.IODataF[3]   = (float32_t)PV_VOLT_IN_capture.totalInData / indata16_size;
         CHG_CURR_capture.IODataF[3]     = (float32_t)CHG_CURR_capture.totalInData / indata16_size;
+
+        setSoftShortCircuit(DSG_CURR_capture.inData16[pointer - 1]);
     }
 }
 
diff --git a/tools/chargControlTypes.h b/tools/chargControlTypes.h
index fd24bb5..26d9ed0 100644
--- a/tools/chargControlTypes.h
+++ b/tools/chargControlTypes.h
@@ -8,7 +8,8 @@ typedef enum _chargMode{
     noWork          = 0,    /* 未进行充电 */
     MPPT            = 1,    /* 最大功率充电 */
     constantVoltage = 2,    /* 恒压充电 */
-    floatCharg      = 3     /* 浮充充电 */
+    floatCharg      = 3,    /* 浮充充电 */
+    noBattery       = 4,    /* 无电池 */
 }chargMode;
 
 typedef enum {
@@ -50,8 +51,20 @@ typedef struct _timeInfo {
 
 /* 方式 */
 typedef enum {
-    runLedChargMode = 1,
-    runLedOtherMode = 2,
+    runLedChargMode = 1,    //充电模式
+    runLedOtherMode = 2,    //其他模式
 }runLedMode;
 
+
+/* 顺序事件记录 */
+typedef enum {
+    firstStageProtection    = 1,    //第一段保护，短路保护
+    secondStageProtection   = 2,    //第二段保护，介于过载和短路之间
+    thirdStageProtection    = 3,    //第三段保护，过载保护
+    excessiveLoadIn         = 4,    //进入了电压降低中断
+    lowInputLoad            = 5,    //输入功率不足保护
+}eventsOrderRecordMode;
+
+
+
 #endif
diff --git a/tools/configParameter.h b/tools/configParameter.h
new file mode 100644
index 0000000..6a60985
--- /dev/null
+++ b/tools/configParameter.h
@@ -0,0 +1,56 @@
+#ifndef CONFIG_PARAMETER_
+#define CONFIG_PARAMETER_
+
+#include "comm_types.h"
+
+
+
+// /* 第一段保护的延时时间（单位100uS） */
+// const uint32_t firstStageProtectionDelay = 2;    // 200uS
+// /* 第一段保护的电流（单位A） */
+// const float_t firstStageProtectionCurr = 50.0f;
+
+// /* 第二段保护的延时时间（单位100uS） */
+// const uint32_t secondStageProtectionDelay = 50000;    // 5S
+// /* 第二段保护的电流（单位A） */
+// const float_t secondStageProtectionCurr = 30.0f;
+
+// /* 第三段保护的延时时间（单位100uS） */
+// const uint32_t thirdStageProtectionDelay = 1200000;   // 120S
+// /* 第三段保护的电流（单位A） */
+// const uint32_t thirdStageProtectionCurr = 35.0f;
+
+// /* 检测回路阻抗时的充电电流要大于该值（单位A） */
+// const float_t checkLoopImpedanceChargCurr = 10.0f;
+
+
+// /* 第三段保护的延时时间（单位100uS） */
+// const uint32_t lowInputLoadDetectionDelay = 30;   // 120S
+
+
+/* 第一段保护的延时时间（单位100uS） */
+#define firstStageProtectionDelay 2    // 200uS
+/* 第一段保护的电流（单位A） */
+#define firstStageProtectionCurr 50.0f
+
+/* 第二段保护的延时时间（单位100uS） */
+#define secondStageProtectionDelay 50000    // 5S
+/* 第二段保护的电流（单位A） */
+#define secondStageProtectionCurr 30.0f
+
+/* 第三段保护的延时时间（单位100uS） */
+#define thirdStageProtectionDelay 1200000   // 120S
+/* 第三段保护的电流（单位A） */
+#define thirdStageProtectionCurr 35.0f
+
+/* 检测回路阻抗时的充电电流要大于该值（单位A） */
+#define checkLoopImpedanceChargCurr 10.0f
+
+/* 输入功率较低延时（单位100uS） */
+#define lowInputLoadDetectionDelay 30   // 120S
+/* 输入功率较低延时电流（单位A） */
+#define lowInputLoadDetectionVolt 10.0f
+
+
+
+#endif