diff --git a/framework/model/display/driver/panel/ili9881_st_5p5.c b/framework/model/display/driver/panel/ili9881_st_5p5.c
index 6ca69a7faec9e5d53da8a492b2cc9681d1200a44..e56298c7be75e647be5c5f50ec1e1f0e29414d0e 100755
--- a/framework/model/display/driver/panel/ili9881_st_5p5.c
+++ b/framework/model/display/driver/panel/ili9881_st_5p5.c
@@ -576,7 +576,7 @@ static struct PanelInfo g_panelInfo = {
     .vbp = 15,              /* vertical back porch */
     .vfp = 10,              /* vertical front porch */
     .vsw = 36,               /* vertical sync width */
-    .clockFreq = 75000000,  /* clock */
+    .clockFreq = 65000000,  /* clock */
     .pWidth = 68,           /* physical width */
     .pHeight = 121,         /* physical height */
     .connectorType = DRM_MODE_CONNECTOR_DPI,   /* DRM_MODE_CONNECTOR_DPI=17 */