diff --git a/applications/data/SC828_DATA_table.c b/applications/data/SC828_DATA_table.c
index eba805a..0571e4f 100644
--- a/applications/data/SC828_DATA_table.c
+++ b/applications/data/SC828_DATA_table.c
@@ -186,7 +186,7 @@ IO_State_AIO ai_table[] = {
     {4024, 0, STR_NULL}
 };
 // --- AO 输出（5001~5014）---
-IO_State_AIO ao_table[] = {
+IO_State_AIO ao_table[]  = {
     {5001, 0, STR_AIO_HEAT_RATIO},
     {5002, 0, STR_AIO_COOL_RATIO},
     {5003, 0, STR_AIO_MAIN_PUMP_SPEED},
@@ -204,8 +204,6 @@ IO_State_AIO ao_table[] = {
     {5015, 0, STR_NULL},
     {5016, 0, STR_NULL}
 };
-//步骤数据表最大99
-IO_STEP_DATA step_table[99];
 
 const unsigned char DI_TABLE_SIZE = sizeof(di_table) / sizeof(di_table[0]);
 const unsigned char DO_TABLE_SIZE = sizeof(do_table) / sizeof(do_table[0]);
@@ -213,37 +211,32 @@ const unsigned char AI_TABLE_SIZE = sizeof(ai_table) / sizeof(ai_table[0]);
 const unsigned char AO_TABLE_SIZE = sizeof(ao_table) / sizeof(ao_table[0]);
 const unsigned char DATA_TABLE_SIZE = sizeof(data_table) / sizeof(data_table[0]);
 
-void DATA_Table_Init(){
-	for(int i=0;i<DI_TABLE_SIZE;i++)
-	{
-		di_table[i].current_state = 0;
-	}
-    for(int i=0;i<DO_TABLE_SIZE;i++)
-    {
-        do_table[i].current_state = 0;
-    }
+//步骤数据表最大
+//IO_STEP_DATA step_table[256] ;
+IO_STEP_DATA *step_table= NULL;
 
-	for(int i=0;i<AI_TABLE_SIZE;i++)
-	{
-		ai_table[i].current_Value = 0;
-	}
-    for(int i=0;i<AO_TABLE_SIZE;i++)
-    {
-        ao_table[i].current_Value = 0;
-    }
+extern struct rt_memheap sram_SRAM1,sdram_heap;
+void DATA_Table_Init(){
+    step_table = rt_memheap_alloc(&sdram_heap, sizeof(IO_STEP_DATA)*256);
 
-	for(int i=0;i<DATA_TABLE_SIZE;i++)
-	{
-		data_table[i].current_data = 0;
-	}
-    for(int i=0;i<99;i++)
+    for(int i=0;i<256;i++)
     {
         step_table[i].RUN = 0;
+        rt_snprintf(step_table[i].Dyelot ,1,"");
+                step_table[i].ReDye = 0;
+                rt_snprintf(step_table[i].StepID ,1,"");
+                rt_snprintf(step_table[i].StepName ,1,"");
+                rt_snprintf(step_table[i].ParameterName ,1,"");
         step_table[i].Parameter1 = 0;
         step_table[i].Parameter2 = 0;
         step_table[i].Parameter3 = 0;
         step_table[i].Parameter4 = 0;
         step_table[i].Parameter5 = 0;
+        step_table[i].P6 = 0;
+        step_table[i].P7 = 0;
+        step_table[i].P8 = 0;
+        step_table[i].P9 = 0;
+        step_table[i].P10 = 0;
         step_table[i].Parameter1_S1 = 0;
         step_table[i].Parameter2_S1 = 0;
         step_table[i].Parameter3_S1 = 0;
@@ -267,14 +260,24 @@ void DATA_Table_Init(){
 }
 //运行指令:开始
 void DATA_INSTRUCTION_START(char p[25]){
-    for(int i=0;i<99;i++)
+    for(int i=0;i<256;i++)
     {
         step_table[i].RUN = 0;
-        step_table[i].Parameter1 = 0;
-        step_table[i].Parameter2 = 0;
-        step_table[i].Parameter3 = 0;
-        step_table[i].Parameter4 = 0;
-        step_table[i].Parameter5 = 0;
+        rt_snprintf(step_table[i].Dyelot ,1,"");
+                step_table[i].ReDye = 0;
+                rt_snprintf(step_table[i].StepID ,1,"");
+                rt_snprintf(step_table[i].StepName ,1,"");
+                rt_snprintf(step_table[i].ParameterName ,1,"");
+                step_table[i].Parameter1 = 0;
+                step_table[i].Parameter2 = 0;
+                step_table[i].Parameter3 = 0;
+                step_table[i].Parameter4 = 0;
+                step_table[i].Parameter5 = 0;
+                step_table[i].P6 = 0;
+                step_table[i].P7 = 0;
+                step_table[i].P8 = 0;
+                step_table[i].P9 = 0;
+                step_table[i].P10 = 0;
         step_table[i].Parameter1_S1 = 0;
         step_table[i].Parameter2_S1 = 0;
         step_table[i].Parameter3_S1 = 0;
@@ -312,14 +315,24 @@ void DATA_INSTRUCTION_START(char p[25]){
 }
 //运行指令:结束
 void DATA_INSTRUCTION_STOP(){
-    for(int i=0;i<99;i++)
+    for(int i=0;i<256;i++)
     {
         step_table[i].RUN = 0;
-        step_table[i].Parameter1 = 0;
-        step_table[i].Parameter2 = 0;
-        step_table[i].Parameter3 = 0;
-        step_table[i].Parameter4 = 0;
-        step_table[i].Parameter5 = 0;
+        rt_snprintf(step_table[i].Dyelot ,1,"");
+                step_table[i].ReDye = 0;
+                rt_snprintf(step_table[i].StepID ,1,"");
+                rt_snprintf(step_table[i].StepName ,1,"");
+                rt_snprintf(step_table[i].ParameterName ,1,"");
+                step_table[i].Parameter1 = 0;
+                step_table[i].Parameter2 = 0;
+                step_table[i].Parameter3 = 0;
+                step_table[i].Parameter4 = 0;
+                step_table[i].Parameter5 = 0;
+                step_table[i].P6 = 0;
+                step_table[i].P7 = 0;
+                step_table[i].P8 = 0;
+                step_table[i].P9 = 0;
+                step_table[i].P10 = 0;
         step_table[i].Parameter1_S1 = 0;
         step_table[i].Parameter2_S1 = 0;
         step_table[i].Parameter3_S1 = 0;
@@ -420,6 +433,8 @@ static struct rt_thread dat_table_thread;
 static void *dat_comm_stack __attribute__((aligned(4)))= RT_NULL ;
 int data_table_th(void)
 {
+    DATA_Table_Init();
+
     rt_err_t dat_err;
 
     dat_comm_stack = rt_memheap_alloc(&sram_DTCMRAM, 1024);
diff --git a/applications/data/SC828_DATA_table.h b/applications/data/SC828_DATA_table.h
index 19e93ec..fa0250f 100644
--- a/applications/data/SC828_DATA_table.h
+++ b/applications/data/SC828_DATA_table.h
@@ -28,40 +28,6 @@ typedef struct {
     char *Remark;   //
 } WorkOrder_DATA;
 
-typedef struct {
-    char Dyelot[32];   // 单号
-    int ReDye;
-    char *Mode;
-    char StepID[4];
-    char *StepName;
-    char *ParameterName;
-    double P1;
-    double P2;
-    double P3;
-    double P4;
-    double P5;
-    int P6;
-    int P7;
-    int P8;
-    int P9;
-    int P10;
-    double P1_S1;
-    double P2_S1;
-    double P3_S1;
-    double P4_S1;
-    double P5_S1;
-    double P1_S2;
-    double P2_S2;
-    double P3_S2;
-    double P4_S2;
-    double P5_S2;
-    double P1_S3;
-    double P2_S3;
-    double P3_S3;
-    double P4_S3;
-    double P5_S3;
-} Step_DATA;
-
 typedef struct {
     int pin;             // ID
     rt_int32_t current_data;   // 当前状态
@@ -69,13 +35,22 @@ typedef struct {
 } IO_State_DATA;
 
 typedef struct {
+    char Dyelot[32];   // 单号
+    int ReDye;
     int RUN;
-    char StepID[3];
+    char StepID[4];
+    char StepName[20];
+    char ParameterName[50];
     double Parameter1;
     double Parameter2;
     double Parameter3;
     double Parameter4;
     double Parameter5;
+    int P6;
+    int P7;
+    int P8;
+    int P9;
+    int P10;
     char StepID_S1[3];
     char StepID_S2[3];
     char StepID_S3[3];
@@ -101,7 +76,8 @@ extern IO_State_DIO do_table[];
 extern IO_State_AIO ai_table[];
 extern IO_State_AIO ao_table[];
 extern IO_State_DATA data_table[];
-extern IO_STEP_DATA step_table[99];
+//extern IO_STEP_DATA step_table[256];
+extern IO_STEP_DATA  *step_table;
 
 extern const unsigned char DI_TABLE_SIZE;
 extern const unsigned char DO_TABLE_SIZE;