diff --git a/V1.5/STM32F103_App1/HardWare/HLW8032/hlw8032.c b/V1.5/STM32F103_App1/HardWare/HLW8032/hlw8032.c
index bf1465a..660d0da 100644
--- a/V1.5/STM32F103_App1/HardWare/HLW8032/hlw8032.c
+++ b/V1.5/STM32F103_App1/HardWare/HLW8032/hlw8032.c
@@ -42,6 +42,7 @@ static uint32_t s_power_par  = 0;       /* 
 static uint32_t s_u_par = 0, s_u_reg = 0;   /* 电压参数/电压寄存器（显示电压用） */
 static uint32_t s_i_par = 0, s_i_reg = 0;   /* 电流参数/电流寄存器 */
 static uint32_t s_p_reg = 0;                /* 功率寄存器 */
+static float s_u_f = 0, s_i_f = 0, s_p_f = 0;   /* 电压/电流/功率 EMA 滤波值 */
 
 static uint32_t s_k          = 0;       /* 本次上电以来 bit7 翻转（PF 溢出）次数 */
 static uint8_t  s_last_bit7  = 0;
@@ -97,6 +98,17 @@ static void hlw8032_parse(const uint8_t *f)
         if (s_streak < 3) return;       /* 未确认同步：帧内容一律不采用 */
     }
 
+    /* EMA 滑动平均（系数 1/8，约 0.4s 响应）：压空载噪声跳变，
+     * 真实负载变化延迟 <0.5s，不影响使用 */
+    {
+        float u = s_u_reg ? (float)((double)s_u_par / (double)s_u_reg * HLW_U_COEF) : 0.0f;
+        float a = s_i_reg ? (float)((double)s_i_par / (double)s_i_reg * HLW_I_COEF) : 0.0f;
+        float w = s_p_reg ? (float)((double)s_power_par / (double)s_p_reg * HLW_U_COEF * HLW_I_COEF) : 0.0f;
+        s_u_f += (u - s_u_f) * 0.125f;
+        s_i_f += (a - s_i_f) * 0.125f;
+        s_p_f += (w - s_p_f) * 0.125f;
+    }
+
     uint32_t chip_total = s_k * HLW_OVERFLOW_PULSES + pf;
     if (s_synced) {
         /* 正常单调递增；变小说明芯片断电重启过（寄存器清零），从当前值重新累计 */
@@ -185,24 +197,22 @@ float hlw8032_get_energy_kwh(void)
 /*==== 电压/电流/功率（手册：有效值 = 参数寄存器/寄存器 × 系数）====*/
 float hlw8032_get_voltage_v(void)
 {
-    if (!s_u_reg) return 0.0f;
-    return (float)((double)s_u_par / (double)s_u_reg * HLW_U_COEF);
+    if (!s_synced) return 0.0f;
+    return s_u_f;
 }
 
 float hlw8032_get_current_a(void)
 {
-    if (!s_i_reg) return 0.0f;
-    float a = (float)((double)s_i_par / (double)s_i_reg * HLW_I_COEF);
-    a -= HLW_I_ZERO_A;          /* 减零点偏移 */
-    return a > 0.0f ? a : 0.0f; /* 钳位到 0 */
+    if (!s_synced) return 0.0f;
+    float a = s_i_f - HLW_I_ZERO_A;   /* 减零点偏移 */
+    return a > 0.0f ? a : 0.0f;       /* 钳位到 0 */
 }
 
 float hlw8032_get_power_w(void)
 {
-    if (!s_p_reg) return 0.0f;
-    float w = (float)((double)s_power_par / (double)s_p_reg * HLW_U_COEF * HLW_I_COEF);
-    if (w < HLW_P_DEAD_W) return 0.0f;   /* 死区：空载噪声底显示 0 */
-    return w - HLW_P_ZERO_W;
+    if (!s_synced) return 0.0f;
+    if (s_p_f < HLW_P_DEAD_W) return 0.0f;   /* 死区：空载噪声底显示 0 */
+    return s_p_f - HLW_P_ZERO_W;
 }
 
 /*==== 在线判断：1s 内收到过有效帧 ====*/