diff --git a/core/iwasm/aot/aot_loader.c b/core/iwasm/aot/aot_loader.c
index f938012ae..fca926abb 100644
--- a/core/iwasm/aot/aot_loader.c
+++ b/core/iwasm/aot/aot_loader.c
@@ -696,9 +696,9 @@ load_custom_section(const uint8 *buf, const uint8 *buf_end, AOTModule *module,
             }
 
             section->name_addr = (char *)section_name;
-            section->name_len = strlen(section_name);
+            section->name_len = (uint32)strlen(section_name);
             section->content_addr = (uint8 *)p;
-            section->content_len = p_end - p;
+            section->content_len = (uint32)(p_end - p);
 
             section->next = module->custom_section_list;
             module->custom_section_list = section;
diff --git a/core/iwasm/aot/aot_runtime.c b/core/iwasm/aot/aot_runtime.c
index 6213bce1f..c1ae5e418 100644
--- a/core/iwasm/aot/aot_runtime.c
+++ b/core/iwasm/aot/aot_runtime.c
@@ -3087,7 +3087,7 @@ aot_dump_call_stack(WASMExecEnv *exec_env, bool print, char *buf, uint32 len)
         return 0;
     }
 
-    total_frames = bh_vector_size(module_inst->frames.ptr);
+    total_frames = (uint32)bh_vector_size(module_inst->frames.ptr);
     if (total_frames == 0) {
         return 0;
     }
diff --git a/core/iwasm/common/wasm_runtime_common.c b/core/iwasm/common/wasm_runtime_common.c
index c1528c58a..1a4b1a72b 100644
--- a/core/iwasm/common/wasm_runtime_common.c
+++ b/core/iwasm/common/wasm_runtime_common.c
@@ -4650,7 +4650,7 @@ wasm_runtime_dump_line_buf_impl(const char *line_buf, bool dump_or_print,
         return dump_len;
     }
     else {
-        return strlen(line_buf);
+        return (uint32)strlen(line_buf);
     }
 }
 
diff --git a/core/iwasm/interpreter/wasm_loader.c b/core/iwasm/interpreter/wasm_loader.c
index ab22d2948..e5941b7b3 100644
--- a/core/iwasm/interpreter/wasm_loader.c
+++ b/core/iwasm/interpreter/wasm_loader.c
@@ -2907,7 +2907,7 @@ load_user_section(const uint8 *buf, const uint8 *buf_end, WASMModule *module,
         section->name_addr = (char *)p;
         section->name_len = name_len;
         section->content_addr = (uint8 *)(p + name_len);
-        section->content_len = p_end - p - name_len;
+        section->content_len = (uint32)(p_end - p - name_len);
 
         section->next = module->custom_section_list;
         module->custom_section_list = section;
diff --git a/core/iwasm/interpreter/wasm_runtime.c b/core/iwasm/interpreter/wasm_runtime.c
index db8eccb7e..f085e7858 100644
--- a/core/iwasm/interpreter/wasm_runtime.c
+++ b/core/iwasm/interpreter/wasm_runtime.c
@@ -3087,7 +3087,7 @@ wasm_interp_dump_call_stack(struct WASMExecEnv *exec_env, bool print, char *buf,
         return 0;
     }
 
-    total_frames = bh_vector_size(module_inst->frames);
+    total_frames = (uint32)bh_vector_size(module_inst->frames);
     if (total_frames == 0) {
         return 0;
     }
diff --git a/tests/wamr-test-suites/test_wamr.sh b/tests/wamr-test-suites/test_wamr.sh
index 16f754d6e..3434e2021 100755
--- a/tests/wamr-test-suites/test_wamr.sh
+++ b/tests/wamr-test-suites/test_wamr.sh
@@ -219,7 +219,7 @@ function unit_test()
         make -ki clean | true
         cmake ${compile_flag} ${WORK_DIR}/../../unit && make -j 4
         if [ "$?" != 0 ];then
-            echo -e "\033[31mbuild unit test failed, you may need to change wamr into dev/aot branch and ensure llvm is built \033[0m"
+            echo -e "build unit test failed, you may need to change wamr into dev/aot branch and ensure llvm is built"
             exit 1
         fi
 
@@ -486,7 +486,7 @@ function build_iwasm_with_cfg()
     fi
 
     if [ "$?" != 0 ];then
-        echo -e "\033[31mbuild iwasm failed \033[0m"
+        echo -e "build iwasm failed"
         exit 1
     fi
 }
@@ -644,7 +644,7 @@ else
     # Add more suites here
 fi
 
-echo -e "\033[32mTest finish. Reports are under ${REPORT_DIR} \033[0m"
+echo -e "Test finish. Reports are under ${REPORT_DIR}"
 DEBUG set +xv pipefail
 echo "TEST SUCCESSFUL"
 exit 0