diff --git a/.github/workflows/llm-ppl-evaluation.yml b/.github/workflows/llm-ppl-evaluation.yml
index 584d6fcd977..bfab5277f80 100644
--- a/.github/workflows/llm-ppl-evaluation.yml
+++ b/.github/workflows/llm-ppl-evaluation.yml
@@ -143,8 +143,7 @@ jobs:
         run: |
           echo "MODEL_PATH=${ORIGIN_DIR}/${{ matrix.model_name }}/" >> "$GITHUB_ENV"
           MODEL_PATH=${ORIGIN_DIR}/${{ matrix.model_name }}/
-          #wget -r -nH -nc --no-verbose --cut-dirs=1 ${LLM_FTP_URL}/llm/${{ matrix.model_name }} -P ${ORIGIN_DIR}
-          wget -r -nH --no-verbose --cut-dirs=1 ${LLM_FTP_URL}/llm/${{ matrix.model_name }} -P ${ORIGIN_DIR}
+          wget -r -nH -nc --no-verbose --cut-dirs=1 ${LLM_FTP_URL}/llm/${{ matrix.model_name }} -P ${ORIGIN_DIR}
           
       - name: Upgrade packages
         shell: bash
diff --git a/.github/workflows/llm_unit_tests.yml b/.github/workflows/llm_unit_tests.yml
index 09ebf4f4421..0590531a372 100644
--- a/.github/workflows/llm_unit_tests.yml
+++ b/.github/workflows/llm_unit_tests.yml
@@ -155,9 +155,6 @@ jobs:
           #   echo "Directory $CHATGLM_INT4_CKPT_PATH not found. Downloading from FTP server..."
           #   wget --no-verbose $LLM_FTP_URL/llm/ggml-actions/stable/chatglm2-6b-q4_0.bin -P $INT4_CKPT_DIR
           # fi
-          if [ -d $ORIGINAL_CHATGLM2_6B_PATH ]; then
-            rm -rf $ORIGINAL_CHATGLM2_6B_PATH
-          fi
           if [ ! -d $ORIGINAL_CHATGLM2_6B_PATH ]; then
             echo "Directory $ORIGINAL_CHATGLM2_6B_PATH not found. Downloading from FTP server..."
             echo "wget -r -nH --no-verbose --cut-dirs=1 $LLM_FTP_URL/llm/chatglm2-6b -P $ORIGIN_DIR"
@@ -316,9 +313,6 @@ jobs:
             echo "Directory $LLAMA2_7B_ORIGIN_PATH not found. Downloading from FTP server..."
             wget -r -nH --no-verbose --cut-dirs=1 $LLM_FTP_URL/llm/Llama-2-7b-chat-hf -P $ORIGIN_DIR
           fi
-          if [ -d $CHATGLM2_6B_ORIGIN_PATH ]; then
-            rm -rf $CHATGLM2_6B_ORIGIN_PATH
-          fi
           if [ ! -d $CHATGLM2_6B_ORIGIN_PATH ]; then
             echo "Directory $CHATGLM2_6B_ORIGIN_PATH not found. Downloading from FTP server..."
             wget -r -nH --no-verbose --cut-dirs=1 $LLM_FTP_URL/llm/chatglm2-6b -P $ORIGIN_DIR
@@ -327,9 +321,6 @@ jobs:
             echo "Directory $FALCON_7B_ORIGIN_PATH not found. Downloading from FTP server..."
             wget -r -nH --no-verbose --cut-dirs=1 $LLM_FTP_URL/llm/falcon-7b-instruct-with-patch -P $ORIGIN_DIR
           fi
-          if [ -d $MPT_7B_ORIGIN_PATH ]; then
-            rm -rf $MPT_7B_ORIGIN_PATH
-          fi
           if [ ! -d $MPT_7B_ORIGIN_PATH ]; then
             echo "Directory $MPT_7B_ORIGIN_PATH not found. Downloading from FTP server..."
             wget -r -nH --no-verbose --cut-dirs=1 $LLM_FTP_URL/llm/mpt-7b-chat -P $ORIGIN_DIR
@@ -357,9 +348,6 @@ jobs:
             echo "Directory $QWEN_7B_ORIGIN_PATH not found. Downloading from FTP server..."
             wget -r -nH --no-verbose --cut-dirs=1 $LLM_FTP_URL/llm/Qwen-7B-Chat -P $ORIGIN_DIR
           fi
-          if [ -d $BAICHUAN2_7B_ORIGIN_PATH ]; then
-            rm -rf $BAICHUAN2_7B_ORIGIN_PATH
-          fi
           if [ ! -d $BAICHUAN2_7B_ORIGIN_PATH ]; then
             echo "Directory $BAICHUAN2_7B_ORIGIN_PATH not found. Downloading from FTP server..."
             wget -r -nH --no-verbose --cut-dirs=1 $LLM_FTP_URL/llm/Baichuan2-7B-Chat -P $ORIGIN_DIR