diff --git a/rtl/ip/matmul/matmul_axi_slave.v b/rtl/ip/matmul/matmul_axi_slave.v
index 75d132d..db6ef2d 100644
--- a/rtl/ip/matmul/matmul_axi_slave.v
+++ b/rtl/ip/matmul/matmul_axi_slave.v
@@ -332,7 +332,7 @@ module matmul_axi_slave (
             if (current_r_offset == ADDR_CTRL) 
                 s_axi_rdata = {30'b0, req_1, req_0};
             else if (current_r_offset == ADDR_STATUS)
-                s_axi_rdata = {29'b0, error, done, busy};  // 完美兼容旧 TB
+                s_axi_rdata = {29'b0, error, done, busy};
             else if (current_r_offset >= ADDR_B0_A && current_r_offset < ADDR_B0_B)
                 s_axi_rdata = b0_a[(current_r_offset - ADDR_B0_A) >> 2];
             else if (current_r_offset >= ADDR_B0_B && current_r_offset < ADDR_B0_C)
@@ -341,6 +341,8 @@ module matmul_axi_slave (
                 if (c0_part == 2'd0)      s_axi_rdata = target_c0[31:0];
                 else if (c0_part == 2'd1) s_axi_rdata = target_c0[63:32];
                 else                      s_axi_rdata = {30'b0, target_c0[65:64]};
+                $display(\"RCH B0_C off=%h elem=%d part=%d data=%h raw=%h\",
+                         current_r_offset, c0_elem, c0_part, s_axi_rdata, target_c0);
             end
             else if (current_r_offset >= ADDR_B1_A && current_r_offset < ADDR_B1_B)
                 s_axi_rdata = b1_a[(current_r_offset - ADDR_B1_A) >> 2];