diff --git a/bsp/artinchip/sys/d13x/include/core_rv32.h b/bsp/artinchip/sys/d13x/include/core_rv32.h
index 8394b3be..042524a2 100644
--- a/bsp/artinchip/sys/d13x/include/core_rv32.h
+++ b/bsp/artinchip/sys/d13x/include/core_rv32.h
@@ -1051,11 +1051,11 @@ __STATIC_INLINE void csi_dcache_enable (void)
         __DCACHE_IALL(); /* invalidate all dcache */
         cache |= (CACHE_MHCR_DE_Msk | CACHE_MHCR_WB_Msk | CACHE_MHCR_WA_Msk | CACHE_MHCR_RS_Msk | CACHE_MHCR_BPE_Msk | CACHE_MHCR_L0BTB_Msk); /* enable all Cache */
         __set_MHCR(cache);
-        mhint = __get_MHINT();
-        mhint &= ~(MHINT_DPLD_Msk | MHINT_AMR_Msk | MHINT_PREF_N_Msk);
-        mhint |= (1<<MHINT_DPLD_Pos) | (1<<MHINT_AMR_Pos) | (3<<MHINT_PREF_N_Pos);
-        __set_MHINT(mhint);
     }
+    mhint = __get_MHINT();
+    mhint &= ~(MHINT_DPLD_Msk | MHINT_AMR_Msk | MHINT_PREF_N_Msk);
+    mhint |= (1<<MHINT_AMR_Pos);
+    __set_MHINT(mhint);
     __DSB();
     __ISB();
 #endif
diff --git a/patchs/optimize_dcache_prefetch.tar b/patchs/optimize_dcache_prefetch.tar
new file mode 100644
index 00000000..0141e618
Binary files /dev/null and b/patchs/optimize_dcache_prefetch.tar differ
diff --git a/tools/scripts/aic_build.py b/tools/scripts/aic_build.py
index 10d9dd1e..01c5f2ee 100644
--- a/tools/scripts/aic_build.py
+++ b/tools/scripts/aic_build.py
@@ -894,7 +894,7 @@ def mkimage_prebuild(aic_root, prj_chip, prj_board, prj_kernel, prj_app, prj_def
     eclipse_sdk_post_build = eclipse_sdk_post_build.replace(prj_out_dir_n, '${ProjDirPath}/Debug')
     eclipse_sdk_post_build = eclipse_sdk_post_build.replace(aic_root, '${ProjDirPath}')
     eclipse_sdk_post_build = eclipse_sdk_post_build.replace(aic_root_n, '${ProjDirPath}')
-    eclipse_post_build = eclipse_post_build.replace('$TARGET', '${ProjDirPath}/Debug/${ProjName}.elf')
+    eclipse_sdk_post_build = eclipse_sdk_post_build.replace('$TARGET', '${ProjDirPath}/Debug/${ProjName}.elf')
     eclipse_sdk_post_build = eclipse_sdk_post_build.replace('\\', '/')
 
     post_objcopy = "${cross_prefix}${cross_objcopy}${cross_suffix} -O binary ${ProjName}.elf ${ProjName}.bin;"